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@@ -860,6 +860,11 @@ cmdipc -Srk $S # Remove the semaphore.
mds-respawn @{ mds-bar @} & # Spawn `mds-bar`.
@end example
+This is however seldom necessary as @command{mds-reg} can
+often be used instead, with more abstraction as you would
+only need to specify what servers need to wait for, not
+what they provide.
+
Another useful command (and package) is @command{setpgrp}.
@command{mds} puts itself an all its children in a new
process group. However you may want to put processes that