Work on file usr/man/man1/groups.1
Synthesized-from: CSRG/cd1/4.1c.2
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+.TH GROUPS 1 "17 March 1982"
+.UC 4
+.SH NAME
+groups \- show group memberships
+.SH SYNOPSIS
+.B groups
+.SH DESCRIPTION
+The
+.I groups
+command shows the groups to which you belong.
+Each user belongs to a group specified in the password file
+.I /etc/passwd
+and possibly to other groups as specified in the file
+.I /etc/group.
+If you do not own a file but belong to the group which it is owned
+by then you are granted group access to the file.
+.PP
+When a new file is created it is given
+the group of the containing directory.
+.SH "SEE ALSO"
+setgrp(2)
+.SH FILES
+/etc/passwd, /etc/group
+.SH BUGS
+More groups should be allowed.