4.3BSD-Reno/src/usr.bin/groups/groups.1

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.\"     @(#)groups.1	6.3 (Berkeley) 7/24/90
.\"
.Dd July 24, 1990
.Dt GROUPS 1
.Os BSD 4.2
.Sh NAME
.Nm groups
.Nd show group memberships
.Sh SYNOPSIS
.Nm groups
.Op Ar user
.Sh DESCRIPTION
The
.Nm groups
command shows the groups to which you or the optionally specified
user belong.
Each user belongs to a group specified in the password file
.Pa /etc/passwd
and possibly to other groups as specified in the file
.Pa /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
.Xr group 5 ,
.Xr setgroups 2
.Sh FILES
.Dw /etc/passwd
.Di L
.Dp Pa /etc/passwd
.Dp Pa /etc/group
.Dp
.Sh HISTORY
.Nm Group
appeared in 4.2 BSD.
.Sh BUGS
More groups should be allowed.