coreutils

.TH ID 1 2022-03-06 "OMKOV coreutils" "General Commands Manual"
.SH NAME
id \(em return user identity
.SH SYNOPSYS
\fBid\fR [-G|-g|-u] [-nr] [\fIuser\fR...]
.SH DESCRIPTION
Print user and group information for the specified \fIuser\fR, or the current
user if no \fIuser\fR is specified.
.SH OPTIONS
The following options are supported:
.TP
.B -G
Output all group IDs.
.TP
.B -g
Output only the effective group ID.
.TP
.B -n
Output the names of groups and users instead of their IDs.
.TP
.B -r
Output the real ID instead of the effective ID.
.TP
.B -u
Output only the effective user ID.
.TP
.B --help
Display help information.
.TP
.B --version
Display version information.
.SH OPERANDS
The following operand is supported:
.TP
.I user
A username to show ID information for.
.SH EXIT STATUS
The following exit values will be returned:
.TP
\ 0
Successful completion.
.TP
>0
An error occurred.
.SH STANDARDS
The \fIid\fR utility is compliant with the IEEE Std 1003.2-1992 ("POSIX.2")
specification.
.SH COPYRIGHT
.nf
Copyright (C) 2020, Jakob Wakeling
MIT Licence (https://opensource.org/licenses/MIT)
.fi