services: Rename 'dmd' services to 'shepherd'.

* gnu/services/shepherd.scm (dmd-root-service-type, %dmd-root-service)
  (dmd-service-type, <dmd-service>, dmd-service, dmd-service?)
  (make-dmd-service, dmd-service-documentation, dmd-service-provision)
  (dmd-service-requirement, dmd-service-respawn, dmd-service-start)
  (dmd-service-stop, dmd-service-auto-start?, dmd-service-modules)
  (dmd-service-imported-modules, dmd-service-file-name, dmd-service-file)
  (dmd-service-back-edges): Rename to...
  (shepherd-root-service-type, %shepherd-root-service, shepherd-service-type)
  (<shepherd-service>, shepherd-service, shepherd-service?)
  (make-shepherd-service, shepherd-service-documentation)
  (shepherd-service-provision, shepherd-service-requirement)
  (shepherd-service-respawn, shepherd-service-start)
  (shepherd-service-stop, shepherd-service-auto-start?)
  (shepherd-service-modules, shepherd-service-imported-modules)
  (shepherd-service-file-name, shepherd-service-file)
  (shepherd-service-back-edges): ...this
* gnu/services.scm: Adjust comments.
* gnu/services/avahi.scm (avahi-dmd-service): Rename to...
  (avahi-shepherd-service): ... this.
* gnu/services/base.scm (%root-file-system-dmd-service)
  (file-system->dmd-service-name, mapped-device->dmd-service-name)
  (dependency->dmd-service-name, file-system-dmd-service)
  (mingetty-dmd-service, nscd-dmd-service, guix-dmd-service)
  (guix-publish-dmd-service, udev-dmd-service, gpm-dmd-service): Rename to...
  (%root-file-system-shepherd-service)
  (file-system->shepherd-service-name, mapped-device->shepherd-service-name)
  (dependency->shepherd-service-name, file-system-shepherd-service)
  (mingetty-shepherd-service, nscd-shepherd-service, guix-shepherd-service)
  (guix-publish-shepherd-service, udev-shepherd-service)
  (gpm-shepherd-service): ... this.
* gnu/services/databases.scm (postgresql-dmd-service): Rename to...
  (postgresql-shepherd-service): ... this.
* gnu/services/desktop.scm (upower-dmd-service, elogind-dmd-service):
  Rename to...
  (upower-shepherd-service, elogind-shepherd-service): ... this.
* gnu/services/dbus.scm (dbus-dmd-service): Rename to...
  (dbus-shepherd-service): ... this.
* gnu/services/lirc.scm (lirc-dmd-service): Rename to...
  (lirc-shepherd-service): ... this.
* gnu/services/mail.scm (dovecot-dmd-service): Rename to...
  (dovecot-shepherd-service): ... this.
* gnu/services/networking.scm (ntp-dmd-service, tor-dmd-service)
  (bitlbee-dmd-service, wicd-dmd-service, network-manager-dmd-service): Rename to...
  (dbus-shepherd-service): ... this.
* gnu/services/ssh.scm (lsh-dmd-service): Rename to...
  (lsh-shepherd-service): ... this.
* gnu/services/web.scm (nginx-dmd-service): Rename to...
  (nginx-shepherd-service): ... this.
* gnu/services/xorg.scm (slim-dmd-service): Rename to...
  (slim-shepherd-service): ... this.
* gnu/system.scm (essential-services): Use '%shepherd-root-service'.
* gnu/system/install.scm (cow-store-service-type): Adjust accordingly.
* guix/scripts/system.scm (dmd-service-node-label, dmd-service-node-type)
  (export-dmd-graph): Likewise.
* tests/guix-system.sh: Likewise.
* tests/services.scm ("dmd-service-back-edges"): Rename to...
  ("shepherd-service-back-edges"): Adjust accordingly.
* doc/guix.texi: Likewise.
* doc/images/service-graph.dot: Use 'shepherd' service name.

20 files changed, 267 insertions, 260 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index d126dd3ec3..dd2f490233 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -9491,7 +9491,7 @@ with a simple example, the service type for the Guix build daemon
   (service-type
    (name 'guix)
    (extensions
-    (list (service-extension dmd-root-service-type guix-dmd-service)
+    (list (service-extension shepherd-root-service-type guix-shepherd-service)
           (service-extension account-service-type guix-accounts)
           (service-extension activation-service-type guix-activation)))))
 @end example
@@ -9515,11 +9515,11 @@ exception is the @dfn{boot service type}, which is the ultimate service.
 In this example, @var{guix-service-type} extends three services:
 
 @table @var
-@item dmd-root-service-type
-The @var{guix-dmd-service} procedure defines how the Shepherd service is
-extended.  Namely, it returns a @code{<dmd-service>} object that defines
-how @command{guix-daemon} is started and stopped (@pxref{Shepherd
-Services}).
+@item shepherd-root-service-type
+The @var{guix-shepherd-service} procedure defines how the Shepherd
+service is extended.  Namely, it returns a @code{<shepherd-service>}
+object that defines how @command{guix-daemon} is started and stopped
+(@pxref{Shepherd Services}).
 
 @item account-service-type
 This extension for this service is computed by @var{guix-accounts},
@@ -9558,8 +9558,8 @@ The service type for an @emph{extensible} service looks like this:
 (define udev-service-type
   (service-type (name 'udev)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          udev-dmd-service)))
+                 (list (service-extension shepherd-root-service-type
+                                          udev-shepherd-service)))
 
                 (compose concatenate)       ;concatenate the list of rules
                 (extend (lambda (config rules)
@@ -9573,7 +9573,7 @@ The service type for an @emph{extensible} service looks like this:
 This is the service type for the
 @uref{https://wiki.gentoo.org/wiki/Project:Eudev, eudev device
 management daemon}.  Compared to the previous example, in addition to an
-extension of @var{dmd-root-service-type}, we see two new fields:
+extension of @var{shepherd-root-service-type}, we see two new fields:
 
 @table @code
 @item compose
@@ -9801,11 +9801,11 @@ You can actually generate such a graph for any operating system
 definition using the @command{guix system dmd-graph} command
 (@pxref{system-dmd-graph, @command{guix system dmd-graph}}).
 
-The @var{%dmd-root-service} is a service object representing PID@tie{}1,
-of type @var{dmd-root-service-type}; it can be extended by passing it
-lists of @code{<dmd-service>} objects.
+The @var{%shepherd-root-service} is a service object representing
+PID@tie{}1, of type @var{shepherd-root-service-type}; it can be extended
+by passing it lists of @code{<shepherd-service>} objects.
 
-@deftp {Data Type} dmd-service
+@deftp {Data Type} shepherd-service
 The data type representing a service managed by the Shepherd.
 
 @table @asis
@@ -9853,15 +9853,15 @@ the Shepherd.
 @end table
 @end deftp
 
-@defvr {Scheme Variable} dmd-root-service-type
+@defvr {Scheme Variable} shepherd-root-service-type
 The service type for the Shepherd ``root service''---i.e., PID@tie{}1.
 
 This is the service type that extensions target when they want to create
 shepherd services (@pxref{Service Types and Services}, for an example).
-Each extension must pass a list of @code{<dmd-service>}.
+Each extension must pass a list of @code{<shepherd-service>}.
 @end defvr
 
-@defvr {Scheme Variable} %dmd-root-service
+@defvr {Scheme Variable} %shepherd-root-service
 This service represents PID@tie{}1.
 @end defvr
 
diff --git a/doc/images/service-graph.dot b/doc/images/service-graph.dot
index b084005984..b7b617abbc 100644
--- a/doc/images/service-graph.dot
+++ b/doc/images/service-graph.dot
@@ -1,5 +1,5 @@
 digraph "Service Type Dependencies" {
-  dmd [shape = box, fontname = Helvetica];
+  shepherd [shape = box, fontname = Helvetica];
   pam [shape = box, fontname = Helvetica];
   etc [shape = box, fontname = Helvetica];
   profile [shape = box, fontname = Helvetica];
@@ -7,14 +7,14 @@ digraph "Service Type Dependencies" {
   activation [shape = box, fontname = Helvetica];
   boot [shape = box, fontname = Helvetica];
   system [shape = house, fontname = Helvetica];
-  lshd -> dmd;
+  lshd -> shepherd;
   lshd -> pam;
-  udev -> dmd;
-  nscd -> dmd [label = "extends"];
+  udev -> shepherd;
+  nscd -> shepherd [label = "extends"];
   "nss-mdns" -> nscd;
   "kvm-rules" -> udev;
   colord -> udev;
-  dbus -> dmd;
+  dbus -> shepherd;
   colord -> dbus;
   upower -> udev;
   upower -> dbus;
@@ -23,7 +23,7 @@ digraph "Service Type Dependencies" {
   elogind -> dbus;
   elogind -> udev;
   elogind -> polkit [label = "extends"];
-  dmd -> boot;
+  shepherd -> boot;
   colord -> accounts;
   accounts -> activation;
   accounts -> etc;
@@ -31,7 +31,7 @@ digraph "Service Type Dependencies" {
   activation -> boot;
   pam -> etc;
   elogind -> pam;
-  guix -> dmd;
+  guix -> shepherd;
   guix -> activation;
   guix -> accounts;
   boot -> system;
diff --git a/gnu/services.scm b/gnu/services.scm
index f302816e9e..056bb2a1c9 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -86,8 +86,8 @@
 ;;; A service type describe how its instances extend instances of other
 ;;; service types.  For instance, some services extend the instance of
 ;;; ACCOUNT-SERVICE-TYPE by providing it with accounts and groups to create;
-;;; others extend DMD-ROOT-SERVICE-TYPE by passing it instances of
-;;; <dmd-service>.
+;;; others extend SHEPHERD-ROOT-SERVICE-TYPE by passing it instances of
+;;; <shepherd-service>.
 ;;;
 ;;; When applicable, the service type defines how it can itself be extended,
 ;;; by providing one procedure to compose extensions, and one procedure to
@@ -209,7 +209,7 @@ containing the given entries."
 (define (compute-boot-script _ mexps)
   (mlet %store-monad ((gexps (sequence %store-monad mexps)))
     (gexp->file "boot"
-                ;; Clean up and activate the system, then spawn dmd.
+                ;; Clean up and activate the system, then spawn shepherd.
                 #~(begin #$@gexps))))
 
 (define (boot-script-entry mboot)
diff --git a/gnu/services/avahi.scm b/gnu/services/avahi.scm
index d458042365..8005b066ed 100644
--- a/gnu/services/avahi.scm
+++ b/gnu/services/avahi.scm
@@ -93,11 +93,11 @@
       (use-modules (guix build utils))
       (mkdir-p "/var/run/avahi-daemon")))
 
-(define (avahi-dmd-service config)
-  "Return a list of <dmd-service> for CONFIG."
+(define (avahi-shepherd-service config)
+  "Return a list of <shepherd-service> for CONFIG."
   (let ((config (configuration-file config))
         (avahi  (avahi-configuration-avahi config)))
-    (list (dmd-service
+    (list (shepherd-service
            (documentation "Run the Avahi mDNS/DNS-SD responder.")
            (provision '(avahi-daemon))
            (requirement '(dbus-system networking))
@@ -111,8 +111,8 @@
   (let ((avahi-package (compose list avahi-configuration-avahi)))
     (service-type (name 'avahi)
                   (extensions
-                   (list (service-extension dmd-root-service-type
-                                            avahi-dmd-service)
+                   (list (service-extension shepherd-root-service-type
+                                            avahi-shepherd-service)
                          (service-extension dbus-root-service-type
                                             avahi-package)
                          (service-extension account-service-type
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 10df9270d9..dcd9956987 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -148,8 +148,8 @@
                 (compose identity)
                 (extend append)))
 
-(define %root-file-system-dmd-service
-  (dmd-service
+(define %root-file-system-shepherd-service
+  (shepherd-service
    (documentation "Take care of the root file system.")
    (provision '(root-file-system))
    (start #~(const #t))
@@ -181,37 +181,37 @@
    (respawn? #f)))
 
 (define root-file-system-service-type
-  (dmd-service-type 'root-file-system
-                    (const %root-file-system-dmd-service)))
+  (shepherd-service-type 'root-file-system
+                         (const %root-file-system-shepherd-service)))
 
 (define (root-file-system-service)
   "Return a service whose sole purpose is to re-mount read-only the root file
 system upon shutdown (aka. cleanly \"umounting\" root.)
 
 This service must be the root of the service dependency graph so that its
-'stop' action is invoked when dmd is the only process left."
+'stop' action is invoked when shepherd is the only process left."
   (service root-file-system-service-type #f))
 
-(define (file-system->dmd-service-name file-system)
+(define (file-system->shepherd-service-name file-system)
   "Return the symbol that denotes the service mounting and unmounting
 FILE-SYSTEM."
   (symbol-append 'file-system-
                  (string->symbol (file-system-mount-point file-system))))
 
-(define (mapped-device->dmd-service-name md)
-  "Return the symbol that denotes the dmd service of MD, a <mapped-device>."
+(define (mapped-device->shepherd-service-name md)
+  "Return the symbol that denotes the shepherd service of MD, a <mapped-device>."
   (symbol-append 'device-mapping-
                  (string->symbol (mapped-device-target md))))
 
-(define dependency->dmd-service-name
+(define dependency->shepherd-service-name
   (match-lambda
     ((? mapped-device? md)
-     (mapped-device->dmd-service-name md))
+     (mapped-device->shepherd-service-name md))
     ((? file-system? fs)
-     (file-system->dmd-service-name fs))))
+     (file-system->shepherd-service-name fs))))
 
-(define (file-system-dmd-service file-system)
-  "Return a list containing the dmd service for @var{file-system}."
+(define (file-system-shepherd-service file-system)
+  "Return a list containing the shepherd service for @var{file-system}."
   (let ((target  (file-system-mount-point file-system))
         (device  (file-system-device file-system))
         (type    (file-system-type file-system))
@@ -221,10 +221,10 @@ FILE-SYSTEM."
         (dependencies (file-system-dependencies file-system)))
     (if (file-system-mount? file-system)
         (list
-         (dmd-service
-          (provision (list (file-system->dmd-service-name file-system)))
+         (shepherd-service
+          (provision (list (file-system->shepherd-service-name file-system)))
           (requirement `(root-file-system
-                         ,@(map dependency->dmd-service-name dependencies)))
+                         ,@(map dependency->shepherd-service-name dependencies)))
           (documentation "Check, mount, and unmount the given file system.")
           (start #~(lambda args
                      ;; FIXME: Use or factorize with 'mount-file-system'.
@@ -276,11 +276,11 @@ FILE-SYSTEM."
 
 (define file-system-service-type
   ;; TODO(?): Make this an extensible service that takes <file-system> objects
-  ;; and returns a list of <dmd-service>.
+  ;; and returns a list of <shepherd-service>.
   (service-type (name 'file-system)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          file-system-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          file-system-shepherd-service)
                        (service-extension fstab-service-type
                                           identity)))))
 
@@ -290,10 +290,10 @@ object."
   (service file-system-service-type file-system))
 
 (define user-unmount-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'user-file-systems
    (lambda (known-mount-points)
-     (dmd-service
+     (shepherd-service
       (documentation "Unmount manually-mounted file systems.")
       (provision '(user-file-systems))
       (start #~(const #t))
@@ -328,15 +328,15 @@ in KNOWN-MOUNT-POINTS when it is stopped."
   "/etc/shepherd/do-not-kill")
 
 (define user-processes-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'user-processes
    (match-lambda
      ((requirements grace-delay)
-      (dmd-service
+      (shepherd-service
        (documentation "When stopped, terminate all user processes.")
        (provision '(user-processes))
        (requirement (cons* 'root-file-system 'user-file-systems
-                           (map file-system->dmd-service-name
+                           (map file-system->shepherd-service-name
                                 requirements)))
        (start #~(const #t))
        (stop #~(lambda _
@@ -410,7 +410,7 @@ that the root file system can be re-mounted read-only, just before
 rebooting/halting.  Processes still running GRACE-DELAY seconds after SIGTERM
 has been sent are terminated with SIGKILL.
 
-The returned service will depend on 'root-file-system' and on all the dmd
+The returned service will depend on 'root-file-system' and on all the shepherd
 services corresponding to FILE-SYSTEMS.
 
 All the services that spawn processes must depend on this one so that they are
@@ -457,10 +457,10 @@ strings or string-valued gexps."
 ;;;
 
 (define host-name-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'host-name
    (lambda (name)
-     (dmd-service
+     (shepherd-service
       (documentation "Initialize the machine's host name.")
       (provision '(host-name))
       (start #~(lambda _
@@ -490,10 +490,10 @@ strings or string-valued gexps."
            (zero? (cdr (waitpid pid))))))))
 
 (define console-keymap-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'console-keymap
    (lambda (file)
-     (dmd-service
+     (shepherd-service
       (documentation (string-append "Load console keymap (loadkeys)."))
       (provision '(console-keymap))
       (start #~(lambda _
@@ -506,12 +506,12 @@ strings or string-valued gexps."
   (service console-keymap-service-type file))
 
 (define console-font-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'console-font
    (match-lambda
      ((tty font)
       (let ((device (string-append "/dev/" tty)))
-        (dmd-service
+        (shepherd-service
          (documentation "Load a Unicode console font.")
          (provision (list (symbol-append 'console-font-
                                          (string->symbol tty))))
@@ -568,12 +568,12 @@ strings or string-valued gexps."
                           #:motd
                           (mingetty-configuration-motd conf))))
 
-(define mingetty-dmd-service
+(define mingetty-shepherd-service
   (match-lambda
     (($ <mingetty-configuration> mingetty tty motd auto-login login-program
                                  login-pause? allow-empty-passwords?)
      (list
-      (dmd-service
+      (shepherd-service
        (documentation "Run mingetty on an tty.")
        (provision (list (symbol-append 'term- (string->symbol tty))))
 
@@ -598,8 +598,8 @@ strings or string-valued gexps."
 
 (define mingetty-service-type
   (service-type (name 'mingetty)
-                (extensions (list (service-extension dmd-root-service-type
-                                                     mingetty-dmd-service)
+                (extensions (list (service-extension shepherd-root-service-type
+                                                     mingetty-shepherd-service)
                                   (service-extension pam-root-service-type
                                                      mingetty-pam-service)))))
 
@@ -711,11 +711,11 @@ the tty to run, among other things."
                                 (string-concatenate
                                  (map cache->config caches)))))))
 
-(define (nscd-dmd-service config)
-  "Return a dmd service for CONFIG, an <nscd-configuration> object."
+(define (nscd-shepherd-service config)
+  "Return a shepherd service for CONFIG, an <nscd-configuration> object."
   (let ((nscd.conf     (nscd.conf-file config))
         (name-services (nscd-configuration-name-services config)))
-    (list (dmd-service
+    (list (shepherd-service
            (documentation "Run libc's name service cache daemon (nscd).")
            (provision '(nscd))
            (requirement '(user-processes))
@@ -747,8 +747,8 @@ the tty to run, among other things."
                 (extensions
                  (list (service-extension activation-service-type
                                           (const nscd-activation))
-                       (service-extension dmd-root-service-type
-                                          nscd-dmd-service)))
+                       (service-extension shepherd-root-service-type
+                                          nscd-shepherd-service)))
 
                 ;; This can be extended by providing additional name services
                 ;; such as nss-mdns.
@@ -767,10 +767,10 @@ Service Switch}, for an example."
   (service nscd-service-type config))
 
 (define syslog-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'syslog
    (lambda (config-file)
-     (dmd-service
+     (shepherd-service
       (documentation "Run the syslog daemon (syslogd).")
       (provision '(syslogd))
       (requirement '(user-processes))
@@ -885,13 +885,13 @@ failed to register hydra.gnu.org public key: ~a~%" status))))))))
 (define %default-guix-configuration
   (guix-configuration))
 
-(define (guix-dmd-service config)
-  "Return a <dmd-service> for the Guix daemon service with CONFIG."
+(define (guix-shepherd-service config)
+  "Return a <shepherd-service> for the Guix daemon service with CONFIG."
   (match config
     (($ <guix-configuration> guix build-group build-accounts authorize-key?
                              use-substitutes? substitute-urls extra-options
                              lsof lsh)
-     (list (dmd-service
+     (list (shepherd-service
             (documentation "Run the Guix daemon.")
             (provision '(guix-daemon))
             (requirement '(user-processes))
@@ -941,7 +941,7 @@ failed to register hydra.gnu.org public key: ~a~%" status))))))))
   (service-type
    (name 'guix)
    (extensions
-    (list (service-extension dmd-root-service-type guix-dmd-service)
+    (list (service-extension shepherd-root-service-type guix-shepherd-service)
           (service-extension account-service-type guix-accounts)
           (service-extension activation-service-type guix-activation)
           (service-extension profile-service-type
@@ -963,10 +963,10 @@ failed to register hydra.gnu.org public key: ~a~%" status))))))))
   (host    guix-publish-configuration-host        ;string
            (default "localhost")))
 
-(define guix-publish-dmd-service
+(define guix-publish-shepherd-service
   (match-lambda
     (($ <guix-publish-configuration> guix port host)
-     (list (dmd-service
+     (list (shepherd-service
             (provision '(guix-publish))
             (requirement '(guix-daemon))
             (start #~(make-forkexec-constructor
@@ -989,8 +989,8 @@ failed to register hydra.gnu.org public key: ~a~%" status))))))))
 (define guix-publish-service-type
   (service-type (name 'guix-publish)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          guix-publish-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          guix-publish-shepherd-service)
                        (service-extension account-service-type
                                           (const %guix-publish-accounts))))))
 
@@ -1070,8 +1070,8 @@ item of @var{packages}."
   (udev-rule "90-kvm.rules"
              "KERNEL==\"kvm\", GROUP=\"kvm\", MODE=\"0660\"\n"))
 
-(define udev-dmd-service
-  ;; Return a <dmd-service> for UDEV with RULES.
+(define udev-shepherd-service
+  ;; Return a <shepherd-service> for UDEV with RULES.
   (match-lambda
     (($ <udev-configuration> udev rules)
      (let* ((rules     (udev-rules-union (cons* udev kvm-udev-rule rules)))
@@ -1082,7 +1082,7 @@ item of @var{packages}."
                                                     "udev_rules=\"~a/lib/udev/rules.d\"\n"
                                                     #$rules))))))
        (list
-        (dmd-service
+        (shepherd-service
          (provision '(udev))
 
          ;; Udev needs /dev to be a 'devtmpfs' mount so that new device nodes can
@@ -1154,8 +1154,8 @@ item of @var{packages}."
 (define udev-service-type
   (service-type (name 'udev)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          udev-dmd-service)))
+                 (list (service-extension shepherd-root-service-type
+                                          udev-shepherd-service)))
 
                 (compose concatenate)           ;concatenate the list of rules
                 (extend (lambda (config rules)
@@ -1172,11 +1172,11 @@ extra rules from the packages listed in @var{rules}."
            (udev-configuration (udev udev) (rules rules))))
 
 (define device-mapping-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'device-mapping
    (match-lambda
      ((target open close)
-      (dmd-service
+      (shepherd-service
        (provision (list (symbol-append 'device-mapping- (string->symbol target))))
        (requirement '(udev))
        (documentation "Map a device node using Linux's device mapper.")
@@ -1192,7 +1192,7 @@ gexp, to open it, and evaluate @var{close} to close it."
            (list target open close)))
 
 (define swap-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'swap
    (lambda (device)
      (define requirement
@@ -1201,7 +1201,7 @@ gexp, to open it, and evaluate @var{close} to close it."
                                 (string->symbol (basename device))))
            '()))
 
-     (dmd-service
+     (shepherd-service
       (provision (list (symbol-append 'swap- (string->symbol device))))
       (requirement `(udev ,@requirement))
       (documentation "Enable the given swap device.")
@@ -1223,10 +1223,10 @@ gexp, to open it, and evaluate @var{close} to close it."
   (gpm      gpm-configuration-gpm)                ;package
   (options  gpm-configuration-options))           ;list of strings
 
-(define gpm-dmd-service
+(define gpm-shepherd-service
   (match-lambda
     (($ <gpm-configuration> gpm options)
-     (list (dmd-service
+     (list (shepherd-service
             (requirement '(udev))
             (provision '(gpm))
             (start #~(lambda ()
@@ -1254,8 +1254,8 @@ gexp, to open it, and evaluate @var{close} to close it."
 (define gpm-service-type
   (service-type (name 'gpm)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          gpm-dmd-service)))))
+                 (list (service-extension shepherd-root-service-type
+                                          gpm-shepherd-service)))))
 
 (define* (gpm-service #:key (gpm gpm)
                       (options '("-m" "/dev/input/mice" "-t" "ps2")))
diff --git a/gnu/services/databases.scm b/gnu/services/databases.scm
index c85606e62d..8b1420116d 100644
--- a/gnu/services/databases.scm
+++ b/gnu/services/databases.scm
@@ -96,7 +96,7 @@ host	all	all	::1/128 	trust"))
                   (primitive-exit 1))))
              (pid (waitpid pid))))))))
 
-(define postgresql-dmd-service
+(define postgresql-shepherd-service
   (match-lambda
     (($ <postgresql-configuration> postgresql config-file data-directory)
      (let ((start-script
@@ -112,7 +112,7 @@ host	all	all	::1/128 	trust"))
                                        (string-append "--config-file="
                                                       #$config-file)
                                        "-D" #$data-directory)))))
-       (list (dmd-service
+       (list (shepherd-service
               (provision '(postgres))
               (documentation "Run the PostgreSQL daemon.")
               (requirement '(user-processes loopback))
@@ -122,8 +122,8 @@ host	all	all	::1/128 	trust"))
 (define postgresql-service-type
   (service-type (name 'postgresql)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          postgresql-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          postgresql-shepherd-service)
                        (service-extension activation-service-type
                                           postgresql-activation)
                        (service-extension account-service-type
diff --git a/gnu/services/dbus.scm b/gnu/services/dbus.scm
index 3e5fa14a38..88a840a4b5 100644
--- a/gnu/services/dbus.scm
+++ b/gnu/services/dbus.scm
@@ -159,10 +159,10 @@ includes the @code{etc/dbus-1/system.d} directories of each package listed in
                     (execl prog)))
                 (waitpid pid)))))))
 
-(define dbus-dmd-service
+(define dbus-shepherd-service
   (match-lambda
     (($ <dbus-configuration> dbus)
-     (list (dmd-service
+     (list (shepherd-service
             (documentation "Run the D-Bus system daemon.")
             (provision '(dbus-system))
             (requirement '(user-processes))
@@ -174,8 +174,8 @@ includes the @code{etc/dbus-1/system.d} directories of each package listed in
 (define dbus-root-service-type
   (service-type (name 'dbus)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          dbus-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          dbus-shepherd-service)
                        (service-extension activation-service-type
                                           dbus-activation)
                        (service-extension etc-service-type
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index e6d323270e..9d6abc3867 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -165,11 +165,11 @@ is set to @var{value} when the bus daemon launches it."
                               "UPOWER_CONF_FILE_NAME"
                               (upower-configuration-file config))))
 
-(define (upower-dmd-service config)
-  "Return a dmd service for UPower with CONFIG."
+(define (upower-shepherd-service config)
+  "Return a shepherd service for UPower with CONFIG."
   (let ((upower (upower-configuration-upower config))
         (config (upower-configuration-file config)))
-    (list (dmd-service
+    (list (shepherd-service
            (documentation "Run the UPower power and battery monitor.")
            (provision '(upower-daemon))
            (requirement '(dbus-system udev))
@@ -186,8 +186,8 @@ is set to @var{value} when the bus daemon launches it."
                 (extensions
                  (list (service-extension dbus-root-service-type
                                           upower-dbus-service)
-                       (service-extension dmd-root-service-type
-                                          upower-dmd-service)
+                       (service-extension shepherd-root-service-type
+                                          upower-shepherd-service)
                        (service-extension activation-service-type
                                           (const %upower-activation))
                        (service-extension udev-service-type
@@ -644,13 +644,13 @@ include the @command{udisksctl} command, part of UDisks, and GNOME Disks."
    ("HybridSleepState" (sleep-list elogind-hybrid-sleep-state))
    ("HybridSleepMode" (sleep-list elogind-hybrid-sleep-mode))))
 
-(define (elogind-dmd-service config)
-  "Return a dmd service for elogind, using @var{config}."
+(define (elogind-shepherd-service config)
+  "Return a shepherd service for elogind, using @var{config}."
   ;; TODO: We could probably rely on service activation but the '.service'
   ;; file currently contains an erroneous 'Exec' line.
   (let ((config-file (elogind-configuration-file config))
         (elogind     (elogind-package config)))
-    (list (dmd-service
+    (list (shepherd-service
            (documentation "Run the elogind login and seat management service.")
            (provision '(elogind))
            (requirement '(dbus-system))
@@ -664,8 +664,8 @@ include the @command{udisksctl} command, part of UDisks, and GNOME Disks."
 (define elogind-service-type
   (service-type (name 'elogind)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          elogind-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          elogind-shepherd-service)
                        (service-extension dbus-root-service-type
                                           (compose list elogind-package))
                        (service-extension udev-service-type
diff --git a/gnu/services/lirc.scm b/gnu/services/lirc.scm
index bfaca9b853..069084abf6 100644
--- a/gnu/services/lirc.scm
+++ b/gnu/services/lirc.scm
@@ -48,10 +48,10 @@
       (use-modules (guix build utils))
       (mkdir-p "/var/run/lirc")))
 
-(define lirc-dmd-service
+(define lirc-shepherd-service
   (match-lambda
     (($ <lirc-configuration> lirc device driver config-file options)
-     (list (dmd-service
+     (list (shepherd-service
             (provision '(lircd))
             (documentation "Run the LIRC daemon.")
             (requirement '(user-processes))
@@ -73,8 +73,8 @@
 (define lirc-service-type
   (service-type (name 'lirc)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          lirc-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          lirc-shepherd-service)
                        (service-extension activation-service-type
                                           (const %lirc-activation))))))
 
diff --git a/gnu/services/mail.scm b/gnu/services/mail.scm
index 181693aeba..4bd1b96b56 100644
--- a/gnu/services/mail.scm
+++ b/gnu/services/mail.scm
@@ -1574,8 +1574,8 @@ greyed out, instead of only later giving \"not selectable\" popup error.
          #:owner (getpwnam "root")
          #:common-name (format #f "Dovecot service on ~a" (gethostname))))))
 
-(define (dovecot-dmd-service config)
-  "Return a list of <dmd-service> for CONFIG."
+(define (dovecot-shepherd-service config)
+  "Return a list of <shepherd-service> for CONFIG."
   (let* ((config-str
           (cond
            ((opaque-dovecot-configuration? config)
@@ -1589,7 +1589,7 @@ greyed out, instead of only later giving \"not selectable\" popup error.
          (dovecot (if (opaque-dovecot-configuration? config)
                       (opaque-dovecot-configuration-dovecot config)
                       (dovecot-configuration-dovecot config))))
-    (list (dmd-service
+    (list (shepherd-service
            (documentation "Run the Dovecot POP3/IMAP mail server.")
            (provision '(dovecot))
            (requirement '(networking))
@@ -1606,8 +1606,8 @@ greyed out, instead of only later giving \"not selectable\" popup error.
 (define dovecot-service-type
   (service-type (name 'dovecot)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          dovecot-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          dovecot-shepherd-service)
                        (service-extension account-service-type
                                           (const %dovecot-accounts))
                        (service-extension pam-root-service-type
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index bce1778b5b..5a0a211236 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -98,7 +98,7 @@ fe80::1%lo0 apps.facebook.com\n")
   (net-tools static-networking-net-tools))
 
 (define static-networking-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'static-networking
    (match-lambda
      (($ <static-networking> interface ip gateway provision
@@ -107,7 +107,7 @@ fe80::1%lo0 apps.facebook.com\n")
 
         ;; TODO: Eventually replace 'route' with bindings for the appropriate
         ;; ioctls.
-        (dmd-service
+        (shepherd-service
 
          ;; Unless we're providing the loopback interface, wait for udev to be up
          ;; and running so that INTERFACE is actually usable.
@@ -171,7 +171,7 @@ gateway."
                               (net-tools net-tools))))
 
 (define dhcp-client-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'dhcp-client
    (lambda (dhcp)
      (define dhclient
@@ -180,7 +180,7 @@ gateway."
      (define pid-file
        "/var/run/dhclient.pid")
 
-     (dmd-service
+     (shepherd-service
       (documentation "Set up networking via DHCP.")
       (requirement '(user-processes udev))
 
@@ -248,7 +248,7 @@ Protocol (DHCP) client, on all the non-loopback network interfaces."
             (default ntp))
   (servers  ntp-configuration-servers))
 
-(define ntp-dmd-service
+(define ntp-shepherd-service
   (match-lambda
     (($ <ntp-configuration> ntp servers)
      (let ()
@@ -271,7 +271,7 @@ restrict -6 ::1\n"))
        (define ntpd.conf
          (plain-file "ntpd.conf" config))
 
-       (list (dmd-service
+       (list (shepherd-service
               (provision '(ntpd))
               (documentation "Run the Network Time Protocol (NTP) daemon.")
               (requirement '(user-processes networking))
@@ -292,8 +292,8 @@ restrict -6 ::1\n"))
 (define ntp-service-type
   (service-type (name 'ntp)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          ntp-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          ntp-shepherd-service)
                        (service-extension account-service-type
                                           (const %ntp-accounts))))))
 
@@ -376,12 +376,12 @@ HiddenServicePort ~a ~a~%"
               #t)))
       #:modules '((guix build utils))))))
 
-(define (tor-dmd-service config)
-  "Return a <dmd-service> running TOR."
+(define (tor-shepherd-service config)
+  "Return a <shepherd-service> running TOR."
   (match config
     (($ <tor-configuration> tor)
      (let ((torrc (tor-configuration->torrc config)))
-       (list (dmd-service
+       (list (shepherd-service
               (provision '(tor))
 
               ;; Tor needs at least one network interface to be up, hence the
@@ -421,8 +421,8 @@ HiddenServicePort ~a ~a~%"
 (define tor-service-type
   (service-type (name 'tor)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          tor-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          tor-shepherd-service)
                        (service-extension account-service-type
                                           (const %tor-accounts))
                        (service-extension activation-service-type
@@ -492,7 +492,7 @@ project's documentation} for more information."
   (port bitlbee-configuration-port)
   (extra-settings bitlbee-configuration-extra-settings))
 
-(define bitlbee-dmd-service
+(define bitlbee-shepherd-service
   (match-lambda
     (($ <bitlbee-configuration> bitlbee interface port extra-settings)
      (let ((conf (plain-file "bitlbee.conf"
@@ -504,7 +504,7 @@ project's documentation} for more information."
   DaemonPort = " (number->string port) "
 " extra-settings))))
 
-       (list (dmd-service
+       (list (shepherd-service
               (provision '(bitlbee))
               (requirement '(user-processes loopback))
               (start #~(make-forkexec-constructor
@@ -537,8 +537,8 @@ project's documentation} for more information."
 (define bitlbee-service-type
   (service-type (name 'bitlbee)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          bitlbee-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          bitlbee-shepherd-service)
                        (service-extension account-service-type
                                           (const %bitlbee-accounts))
                        (service-extension activation-service-type
@@ -579,9 +579,9 @@ configuration file."
           (copy-file (string-append #$wicd file-name)
                      file-name)))))
 
-(define (wicd-dmd-service wicd)
-  "Return a dmd service for WICD."
-  (list (dmd-service
+(define (wicd-shepherd-service wicd)
+  "Return a shepherd service for WICD."
+  (list (shepherd-service
          (documentation "Run the Wicd network manager.")
          (provision '(networking))
          (requirement '(user-processes dbus-system loopback))
@@ -593,8 +593,8 @@ configuration file."
 (define wicd-service-type
   (service-type (name 'wicd)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          wicd-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          wicd-shepherd-service)
                        (service-extension dbus-root-service-type
                                           list)
                        (service-extension activation-service-type
@@ -624,9 +624,9 @@ and @command{wicd-curses} user interfaces."
       (use-modules (guix build utils))
       (mkdir-p "/etc/NetworkManager/system-connections")))
 
-(define (network-manager-dmd-service network-manager)
-  "Return a dmd service for NETWORK-MANAGER."
-  (list (dmd-service
+(define (network-manager-shepherd-service network-manager)
+  "Return a shepherd service for NETWORK-MANAGER."
+  (list (shepherd-service
          (documentation "Run the NetworkManager.")
          (provision '(networking))
          (requirement '(user-processes dbus-system loopback))
@@ -639,8 +639,8 @@ and @command{wicd-curses} user interfaces."
 (define network-manager-service-type
   (service-type (name 'network-manager)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          network-manager-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          network-manager-shepherd-service)
                        (service-extension dbus-root-service-type list)
                        (service-extension activation-service-type
                                           (const %network-manager-activation))
diff --git a/gnu/services/shepherd.scm b/gnu/services/shepherd.scm
index ccb71f35e1..36ed9eb1c0 100644
--- a/gnu/services/shepherd.scm
+++ b/gnu/services/shepherd.scm
@@ -32,26 +32,26 @@
   #:use-module (srfi srfi-26)
   #:use-module (srfi srfi-34)
   #:use-module (srfi srfi-35)
-  #:export (dmd-root-service-type
-            %dmd-root-service
-            dmd-service-type
-
-            dmd-service
-            dmd-service?
-            dmd-service-documentation
-            dmd-service-provision
-            dmd-service-requirement
-            dmd-service-respawn?
-            dmd-service-start
-            dmd-service-stop
-            dmd-service-auto-start?
-            dmd-service-modules
-            dmd-service-imported-modules
+  #:export (shepherd-root-service-type
+            %shepherd-root-service
+            shepherd-service-type
+
+            shepherd-service
+            shepherd-service?
+            shepherd-service-documentation
+            shepherd-service-provision
+            shepherd-service-requirement
+            shepherd-service-respawn?
+            shepherd-service-start
+            shepherd-service-stop
+            shepherd-service-auto-start?
+            shepherd-service-modules
+            shepherd-service-imported-modules
 
             %default-imported-modules
             %default-modules
 
-            dmd-service-back-edges))
+            shepherd-service-back-edges))
 
 ;;; Commentary:
 ;;;
@@ -60,7 +60,7 @@
 ;;; Code:
 
 
-(define (dmd-boot-gexp services)
+(define (shepherd-boot-gexp services)
   (mlet %store-monad ((shepherd-conf (shepherd-configuration-file services)))
     (return #~(begin
                 ;; Keep track of the booted system.
@@ -81,29 +81,30 @@
                 (execl (string-append #$shepherd "/bin/shepherd")
                        "shepherd" "--config" #$shepherd-conf)))))
 
-(define dmd-root-service-type
+(define shepherd-root-service-type
   (service-type
-   (name 'dmd-root)
-   ;; Extending the root dmd service (aka. PID 1) happens by concatenating the
-   ;; list of services provided by the extensions.
+   (name 'shepherd-root)
+   ;; Extending the root shepherd service (aka. PID 1) happens by
+   ;; concatenating the list of services provided by the extensions.
    (compose concatenate)
    (extend append)
-   (extensions (list (service-extension boot-service-type dmd-boot-gexp)
+   (extensions (list (service-extension boot-service-type
+                                        shepherd-boot-gexp)
                      (service-extension profile-service-type
                                         (const (list shepherd)))))))
 
-(define %dmd-root-service
-  ;; The root dmd service, aka. PID 1.  Its parameter is a list of
-  ;; <dmd-service> objects.
-  (service dmd-root-service-type '()))
+(define %shepherd-root-service
+  ;; The root shepherd service, aka. PID 1.  Its parameter is a list of
+  ;; <shepherd-service> objects.
+  (service shepherd-root-service-type '()))
 
-(define-syntax-rule (dmd-service-type service-name proc)
-  "Return a <service-type> denoting a simple dmd service--i.e., the type for a
-service that extends DMD-ROOT-SERVICE-TYPE and nothing else."
+(define-syntax-rule (shepherd-service-type service-name proc)
+  "Return a <service-type> denoting a simple shepherd service--i.e., the type
+for a service that extends SHEPHERD-ROOT-SERVICE-TYPE and nothing else."
   (service-type
    (name service-name)
    (extensions
-    (list (service-extension dmd-root-service-type
+    (list (service-extension shepherd-root-service-type
                              (compose list proc))))))
 
 (define %default-imported-modules
@@ -118,35 +119,35 @@ service that extends DMD-ROOT-SERVICE-TYPE and nothing else."
     (guix build utils)
     (guix build syscalls)))
 
-(define-record-type* <dmd-service>
-  dmd-service make-dmd-service
-  dmd-service?
-  (documentation dmd-service-documentation        ;string
+(define-record-type* <shepherd-service>
+  shepherd-service make-shepherd-service
+  shepherd-service?
+  (documentation shepherd-service-documentation        ;string
                  (default "[No documentation.]"))
-  (provision     dmd-service-provision)           ;list of symbols
-  (requirement   dmd-service-requirement          ;list of symbols
+  (provision     shepherd-service-provision)           ;list of symbols
+  (requirement   shepherd-service-requirement          ;list of symbols
                  (default '()))
-  (respawn?      dmd-service-respawn?             ;Boolean
+  (respawn?      shepherd-service-respawn?             ;Boolean
                  (default #t))
-  (start         dmd-service-start)               ;g-expression (procedure)
-  (stop          dmd-service-stop                 ;g-expression (procedure)
+  (start         shepherd-service-start)               ;g-expression (procedure)
+  (stop          shepherd-service-stop                 ;g-expression (procedure)
                  (default #~(const #f)))
-  (auto-start?   dmd-service-auto-start?          ;Boolean
+  (auto-start?   shepherd-service-auto-start?          ;Boolean
                  (default #t))
-  (modules       dmd-service-modules              ;list of module names
+  (modules       shepherd-service-modules              ;list of module names
                  (default %default-modules))
-  (imported-modules dmd-service-imported-modules  ;list of module names
+  (imported-modules shepherd-service-imported-modules  ;list of module names
                     (default %default-imported-modules)))
 
 
 (define (assert-valid-graph services)
-  "Raise an error if SERVICES does not define a valid dmd service graph, for
-instance if a service requires a nonexistent service, or if more than one
+  "Raise an error if SERVICES does not define a valid shepherd service graph,
+for instance if a service requires a nonexistent service, or if more than one
 service uses a given name.
 
-These are constraints that dmd's 'register-service' verifies but we'd better
-verify them here statically than wait until PID 1 halts with an assertion
-failure."
+These are constraints that shepherd's 'register-service' verifies but we'd
+better verify them here statically than wait until PID 1 halts with an
+assertion failure."
   (define provisions
     ;; The set of provisions (symbols).  Bail out if a symbol is given more
     ;; than once.
@@ -159,9 +160,9 @@ failure."
                           (format #f (_ "service '~a' provided more than once")
                                   symbol)))))))
 
-            (for-each assert-unique (dmd-service-provision service))
-            (fold set-insert set (dmd-service-provision service)))
-          (setq 'dmd)
+            (for-each assert-unique (shepherd-service-provision service))
+            (fold set-insert set (shepherd-service-provision service)))
+          (setq 'shepherd)
           services))
 
   (define (assert-satisfied-requirements service)
@@ -173,51 +174,53 @@ failure."
                            (message
                             (format #f (_ "service '~a' requires '~a', \
 which is undefined")
-                                    (match (dmd-service-provision service)
+                                    (match (shepherd-service-provision service)
                                       ((head . _) head)
                                       (_          service))
                                     requirement)))))))
-              (dmd-service-requirement service)))
+              (shepherd-service-requirement service)))
 
   (for-each assert-satisfied-requirements services))
 
-(define (dmd-service-file-name service)
+(define (shepherd-service-file-name service)
   "Return the file name where the initialization code for SERVICE is to be
 stored."
   (let ((provisions (string-join (map symbol->string
-                                      (dmd-service-provision service)))))
-    (string-append "dmd-"
+                                      (shepherd-service-provision service)))))
+    (string-append "shepherd-"
                    (string-map (match-lambda
                                  (#\/ #\-)
                                  (chr chr))
                                provisions)
                    ".scm")))
 
-(define (dmd-service-file service)
+(define (shepherd-service-file service)
   "Return a file defining SERVICE."
-  (gexp->file (dmd-service-file-name service)
+  (gexp->file (shepherd-service-file-name service)
               #~(begin
-                  (use-modules #$@(dmd-service-modules service))
+                  (use-modules #$@(shepherd-service-modules service))
 
                   (make <service>
-                    #:docstring '#$(dmd-service-documentation service)
-                    #:provides '#$(dmd-service-provision service)
-                    #:requires '#$(dmd-service-requirement service)
-                    #:respawn? '#$(dmd-service-respawn? service)
-                    #:start #$(dmd-service-start service)
-                    #:stop #$(dmd-service-stop service)))))
+                    #:docstring '#$(shepherd-service-documentation service)
+                    #:provides '#$(shepherd-service-provision service)
+                    #:requires '#$(shepherd-service-requirement service)
+                    #:respawn? '#$(shepherd-service-respawn? service)
+                    #:start #$(shepherd-service-start service)
+                    #:stop #$(shepherd-service-stop service)))))
 
 (define (shepherd-configuration-file services)
   "Return the shepherd configuration file for SERVICES."
   (define modules
     (delete-duplicates
-     (append-map dmd-service-imported-modules services)))
+     (append-map shepherd-service-imported-modules services)))
 
   (assert-valid-graph services)
 
   (mlet %store-monad ((modules  (imported-modules modules))
                       (compiled (compiled-modules modules))
-                      (files    (mapm %store-monad dmd-service-file services)))
+                      (files    (mapm %store-monad
+                                      shepherd-service-file
+                                      services)))
     (define config
       #~(begin
           (eval-when (expand load eval)
@@ -238,20 +241,20 @@ stored."
 
           (format #t "starting services...~%")
           (for-each start
-                    '#$(append-map dmd-service-provision
-                                   (filter dmd-service-auto-start?
+                    '#$(append-map shepherd-service-provision
+                                   (filter shepherd-service-auto-start?
                                            services)))))
 
     (gexp->file "shepherd.conf" config)))
 
-(define (dmd-service-back-edges services)
-  "Return a procedure that, when given a <dmd-service> from SERVICES, returns
-the list of <dmd-service> that depend on it."
+(define (shepherd-service-back-edges services)
+  "Return a procedure that, when given a <shepherd-service> from SERVICES,
+returns the list of <shepherd-service> that depend on it."
   (define provision->service
     (let ((services (fold (lambda (service result)
                             (fold (cut vhash-consq <> service <>)
                                   result
-                                  (dmd-service-provision service)))
+                                  (shepherd-service-provision service)))
                           vlist-null
                           services)))
       (lambda (name)
@@ -265,7 +268,7 @@ the list of <dmd-service> that depend on it."
                     (vhash-consq (provision->service requirement) service
                                  edges))
                   edges
-                  (dmd-service-requirement service)))
+                  (shepherd-service-requirement service)))
           vlist-null
           services))
 
diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm
index d6365023ce..33e1951a6e 100644
--- a/gnu/services/ssh.scm
+++ b/gnu/services/ssh.scm
@@ -103,8 +103,8 @@
                                 (lsh-configuration-host-key config))
             #t)))
 
-(define (lsh-dmd-service config)
-  "Return a <dmd-service> for lsh with CONFIG."
+(define (lsh-shepherd-service config)
+  "Return a <shepherd-service> for lsh with CONFIG."
   (define lsh (lsh-configuration-lsh config))
   (define pid-file (lsh-configuration-pid-file config))
   (define pid-file? (lsh-configuration-pid-file? config))
@@ -151,7 +151,7 @@
         '(networking syslogd)
         '(networking)))
 
-  (list (dmd-service
+  (list (shepherd-service
          (documentation "GNU lsh SSH server")
          (provision '(ssh-daemon))
          (requirement requires)
@@ -168,8 +168,8 @@
 (define lsh-service-type
   (service-type (name 'lsh)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          lsh-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          lsh-shepherd-service)
                        (service-extension pam-root-service-type
                                           lsh-pam-services)
                        (service-extension activation-service-type
diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index bc0aa62a35..0e17f6e5c6 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -79,7 +79,7 @@
          (system* (string-append #$nginx "/bin/nginx")
                   "-c" #$config-file "-t")))))
 
-(define nginx-dmd-service
+(define nginx-shepherd-service
   (match-lambda
     (($ <nginx-configuration> nginx log-directory run-directory config-file)
      (let* ((nginx-binary #~(string-append #$nginx "/sbin/nginx"))
@@ -90,7 +90,7 @@
                     (system* #$nginx-binary "-c" #$config-file #$@args))))))
 
        ;; TODO: Add 'reload' action.
-       (list (dmd-service
+       (list (shepherd-service
               (provision '(nginx))
               (documentation "Run the nginx daemon.")
               (requirement '(user-processes loopback))
@@ -100,8 +100,8 @@
 (define nginx-service-type
   (service-type (name 'nginx)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          nginx-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          nginx-shepherd-service)
                        (service-extension activation-service-type
                                           nginx-activation)
                        (service-extension account-service-type
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index fbe6fad463..a93dbfe7c4 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -250,7 +250,7 @@ which should be passed to this script as the first argument.  If not, the
          #:allow-empty-passwords?
          (slim-configuration-allow-empty-passwords? config))))
 
-(define (slim-dmd-service config)
+(define (slim-shepherd-service config)
   (define slim.cfg
     (let ((xinitrc (xinitrc #:fallback-session
                             (slim-configuration-auto-login-session config)))
@@ -285,7 +285,7 @@ reboot_cmd " shepherd "/sbin/reboot\n"
   (define theme
     (slim-configuration-theme config))
 
-  (list (dmd-service
+  (list (shepherd-service
          (documentation "Xorg display server")
          (provision '(xorg-server))
          (requirement '(user-processes host-name udev))
@@ -308,8 +308,8 @@ reboot_cmd " shepherd "/sbin/reboot\n"
 (define slim-service-type
   (service-type (name 'slim)
                 (extensions
-                 (list (service-extension dmd-root-service-type
-                                          slim-dmd-service)
+                 (list (service-extension shepherd-root-service-type
+                                          slim-shepherd-service)
                        (service-extension pam-root-service-type
                                           slim-pam-service)
 
diff --git a/gnu/system.scm b/gnu/system.scm
index 97103a9992..b4264fe5f8 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -303,11 +303,11 @@ a container or that of a \"bare metal\" system."
     (cons* (service system-service-type entries)
            %boot-service
 
-           ;; %DMD-ROOT-SERVICE must come first so that the gexp that execs
-           ;; dmd comes last in the boot script (XXX).  Likewise, the cleanup
-           ;; service must come last so that its gexp runs before activation
-           ;; code.
-           %dmd-root-service
+           ;; %SHEPHERD-ROOT-SERVICE must come first so that the gexp that
+           ;; execs shepherd comes last in the boot script (XXX).  Likewise,
+           ;; the cleanup service must come last so that its gexp runs before
+           ;; activation code.
+           %shepherd-root-service
            %activation-service
            (service cleanup-service-type #f)
 
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index fcbb630517..bd501c76cc 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -164,10 +164,10 @@ current store is on a RAM disk."
                (rmdir "/.rw-store"))))))
 
 (define cow-store-service-type
-  (dmd-service-type
+  (shepherd-service-type
    'cow-store
    (lambda _
-     (dmd-service
+     (shepherd-service
       (requirement '(root-file-system user-processes))
       (provision '(cow-store))
       (documentation
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index 3f368ca55f..b0f8be74b0 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -313,17 +313,17 @@ list of services."
    (edges (lift1 (service-back-edges services) %store-monad))))
 
 (define (dmd-service-node-label service)
-  "Return a label for a node representing a <dmd-service>."
-  (string-join (map symbol->string (dmd-service-provision service))))
+  "Return a label for a node representing a <shepherd-service>."
+  (string-join (map symbol->string (shepherd-service-provision service))))
 
 (define (dmd-service-node-type services)
-  "Return a node type for SERVICES, a list of <dmd-service>."
+  "Return a node type for SERVICES, a list of <shepherd-service>."
   (node-type
    (name "dmd-service")
    (description "the dependency graph of dmd services")
    (identifier (lift1 dmd-service-node-label %store-monad))
    (label dmd-service-node-label)
-   (edges (lift1 (dmd-service-back-edges services) %store-monad))))
+   (edges (lift1 (shepherd-service-back-edges services) %store-monad))))
 
 
 ;;;
@@ -475,14 +475,14 @@ building anything."
                   #:reverse-edges? #t)))
 
 (define (export-dmd-graph os port)
-  "Export the graph of dmd services of OS to PORT."
-  (let* ((services (operating-system-services os))
-         (pid1     (fold-services services
-                                  #:target-type dmd-root-service-type))
-         (dmds     (service-parameters pid1))     ;the list of <dmd-service>
-         (sinks    (filter (lambda (service)
-                             (null? (dmd-service-requirement service)))
-                           dmds)))
+  "Export the graph of shepherd services of OS to PORT."
+  (let* ((services  (operating-system-services os))
+         (pid1      (fold-services services
+                                   #:target-type shepherd-root-service-type))
+         (shepherds (service-parameters pid1)) ;list of <shepherd-service>
+         (sinks     (filter (lambda (service)
+                              (null? (shepherd-service-requirement service)))
+                            shepherds)))
     (export-graph sinks (current-output-port)
                   #:node-type (dmd-service-node-type dmds)
                   #:reverse-edges? #t)))
diff --git a/tests/guix-system.sh b/tests/guix-system.sh
index cd135b9a88..d9e1679ae7 100644
--- a/tests/guix-system.sh
+++ b/tests/guix-system.sh
@@ -121,10 +121,10 @@ cat > "$tmpfile" <<EOF
 (use-service-modules networking)
 
 (define buggy-service-type
-  (dmd-service-type
+  (shepherd-service-type
     'buggy
     (lambda _
-      (dmd-service
+      (shepherd-service
         (provision '(buggy!))
         (requirement '(does-not-exist))
         (start #t)))))
diff --git a/tests/services.scm b/tests/services.scm
index ab8f293c43..3635549077 100644
--- a/tests/services.scm
+++ b/tests/services.scm
@@ -105,11 +105,15 @@
       (fold-services (list s) #:target-type t1)
       #f)))
 
-(test-assert "dmd-service-back-edges"
-  (let* ((s1 (dmd-service (provision '(s1)) (start #f)))
-         (s2 (dmd-service (provision '(s2)) (requirement '(s1)) (start #f)))
-         (s3 (dmd-service (provision '(s3)) (requirement '(s1 s2)) (start #f)))
-         (e  (dmd-service-back-edges (list s1 s2 s3))))
+(test-assert "shepherd-service-back-edges"
+  (let* ((s1 (shepherd-service (provision '(s1)) (start #f)))
+         (s2 (shepherd-service (provision '(s2))
+                               (requirement '(s1))
+                               (start #f)))
+         (s3 (shepherd-service (provision '(s3))
+                               (requirement '(s1 s2))
+                               (start #f)))
+         (e  (shepherd-service-back-edges (list s1 s2 s3))))
     (and (lset= eq? (e s1) (list s2 s3))
          (lset= eq? (e s2) (list s3))
          (null? (e s3)))))