diff --git a/sbin/devfs/devfs.8 b/sbin/devfs/devfs.8 index 48e63c6c0cdf..11cede356389 100644 --- a/sbin/devfs/devfs.8 +++ b/sbin/devfs/devfs.8 @@ -62,7 +62,7 @@ If this option is not specified, operates on .Pa /dev . .El -.Sh RULE SUBSYSTEM +.Ss Rule Subsystem The .Xr devfs 5 rule subsystem provides a way for the administrator of a system to control @@ -207,9 +207,7 @@ or number. .It Cm unhide Unhide the node. .El -.Ss Notes -.Bl -bullet -offset indent -.It +.Sh IMPLEMENTATION NOTES Rulesets are created by the kernel at the first reference, and destroyed when the last reference disappears. E.g., a ruleset is created when a rule is added to it or when it is set @@ -218,12 +216,12 @@ a ruleset is destroyed when the last rule in it is deleted, and no other references to it exist (i.e., it is not included by any rules, and it is not the current ruleset for any mount-point). -.It +.Pp Ruleset number 0 is the default ruleset for all new mount-points. It is always empty, cannot be modified or deleted, and does not show up in the output of .Cm showsets . -.It +.Pp Rules and rulesets are unique to the entire system, not a particular mount-point. I.e., a @@ -232,8 +230,7 @@ will return the same information regardless of the mount-point specified with .Fl m . The mount-point is only relevant when changing what its current ruleset is, or when using one of the apply commands. -.El -.Ss Examples +.Sh EXAMPLES When the system boots, the only ruleset that exists is ruleset number 0; since the latter may not be modified, we have to create another ruleset