First thing to realize:  my RH system has been upgraded many, many times from
RH 2 back in 1996 on through today, so there may be a lot of kruft in the files
I am discussing.

I was perusing my /etc/group file the other day and noticed a few puzzling
things that I thought the list might be able to help me understand:

1.      There are entries for groups which do not have any equivalent users
defined for them, nor does the group have any members; in particular I have a
'shadow' group defined that fits these criteria.  What is the shadow group for?

2.      What is the role of the group password?  I realize that many groups do
not have a password defined, but some have either an 'x' which indicates a
shadowed password, or a '!', which is not mentioned in the group man page. 

3.      What does the '!' in the password field mean?

4.      If a group has a password of 'x', but there is no entry in the shadow
file for this group, is this group entry broken/an orphan with no use?  For
example, I have a console group with 'x' for a password, but no shadow entry
for user console.  Several others like this.  If these do not have a shadow
file entry, how are they validated?

5.      Why would adding a user create a private group with a different GUID
than the User ID?  This seems to be a recent develpment.  First users I added
to my system long ago had UID and GID both equal 501,502,...,507, etc.  Now
newest users have UID = 508, and GID = 809, and the like.  Is this Linuxconf at
work?

-- 
Tom Porter                                       [EMAIL PROTECTED]
------------------------------------------------------------------------
"On two occasions I have been asked [by members of Parliament], 
'Pray, Mr. Babbage, if you put into the machine wrong figures, will 
the right answers come out?'  I am not able rightly to apprehend the 
kind of confusion of ideas that could provoke such a question."


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