Computer Science
ID(1) ID(1)
NAME
id - print real and effective UIDs and GIDs
SYNOPSIS
id [-gnruG] [--group] [--name] [--real] [--user]
[--groups] [--help] [--version] [username]
DESCRIPTION
This manual page documents the GNU version of id. id
prints information about the given user, or the process
running it if no user is specified. By default, it prints
the real user ID, real group ID, effective user ID if dif-
ferent from the real user ID, effective group ID if dif-
ferent from the real group ID, and supplemental group IDs.
It prints each of these values preceded by a string iden-
tifying it and followed by the corresponding user or group
name in parentheses.
The options cause id to print only part of the above
information.
OPTIONS
-g, --group
Print only the group ID.
-G, --groups
Print only the supplementary groups.
--help Print a usage message on standard output and exit
successfully.
-n, --name
Print the user or group name instead of the ID num-
ber. Requires -u, -g, or -G.
-r, --real
Print the real, instead of effective, user or group
ID. Requires -u, -g, or -G.
-u, --user
Print only the user ID.
--version
Print version information on standard output then
exit successfully.
FSF GNU Shell Utilities 1
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