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Full Discussion: listing users and groups
Operating Systems Linux listing users and groups Post 52355 by djsal on Wednesday 16th of June 2004 12:04:51 PM
Old 06-16-2004
Users are in /etc/passwd....

cat /etc/passwd | awk -F: '{print $1" ---> "$4}'

will return all users and which group they are in.
 

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groups(1)							   User Commands							 groups(1)

NAME
groups - print group membership of user SYNOPSIS
groups [user...] DESCRIPTION
The command groups prints on standard output the groups to which you or the optionally specified user belong. Each user belongs to a group specified in /etc/passwd and possibly to other groups as specified in /etc/group. Note that /etc/passwd specifies the numerical ID (gid) of the group. The groups command converts gid to the group name in the output. EXAMPLES
The output takes the following form: example% groups tester01 tester02 tester01 : staff tester02 : staff example% FILES
/etc/passwd /etc/group ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
group(4), passwd(4), attributes(5) SunOS 5.10 14 Sep 1992 groups(1)
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