Base system config file headers...

Modulok modulok at
Mon Oct 1 10:47:05 PDT 2007

In the header of many of the base system's config files there are
lines similar to this:

    "# $FreeBSD: src/etc/group,v 2006/03/06 22:23:10 rwatson Exp $"

Do these have any useful purpose, other than as a human-readable
comment? Some kind of versioning or update information to be processed
by some automated tool of some sort? Basically I just want to know if
I can safely delete them in any config files I tweak.


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