doc: Clarify distinction between "service" and "Shepherd service".

* doc/guix.texi (Services): Distinguish "service" and "Shepherd
service".  Add xref to "Shepherd Services".
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Ludovic Courtès 2016-08-02 19:42:31 +02:00
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@ -7445,11 +7445,12 @@ Configuration System}). System services are typically daemons launched
when the system boots, or other actions needed at that time---e.g.,
configuring network access.
Services are managed by the GNU@tie{}Shepherd (@pxref{Introduction,,,
shepherd, The GNU Shepherd Manual}). On a running system, the
@command{herd} command allows you to list the available services, show
their status, start and stop them, or do other specific operations
(@pxref{Jump Start,,, shepherd, The GNU Shepherd Manual}). For example:
GuixSD has a broad definition of ``service'' (@pxref{Service
Composition}), but many services are managed by the GNU@tie{}Shepherd
(@pxref{Shepherd Services}). On a running system, the @command{herd}
command allows you to list the available services, show their status,
start and stop them, or do other specific operations (@pxref{Jump
Start,,, shepherd, The GNU Shepherd Manual}). For example:
@example
# herd status