id.1 - ubase - suckless linux base utils
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       id.1 (656B)
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            1 .Dd April 24, 2015
            2 .Dt ID 1
            3 .Os ubase
            4 .Sh NAME
            5 .Nm id
            6 .Nd print real and effective user and group IDs
            7 .Sh SYNOPSIS
            8 .Nm
            9 .Op Fl n
           10 .Op Fl g | u | G
           11 .Op Ar user | uid
           12 .Sh DESCRIPTION
           13 .Nm
           14 prints user and group information of the calling process to standard output.
           15 If a login name or uid is specified, the user and group information of that
           16 user is displayed.
           17 .Sh OPTIONS
           18 .Bl -tag -width Ds
           19 .It Fl n
           20 Print names instead of ID numbers, for -g, -u, and -G.
           21 .It Fl g
           22 Print only the effective group ID.
           23 .It Fl u
           24 Print only the effective user ID.
           25 .It Fl G
           26 Display group information as whitespace separated numbers, in no particular order.
           27 .El
           28 .Sh SEE ALSO
           29 .Xr who 1