ID(1) ID(1) id -- id []... []... ; -- . -a , -Z, --context -g, --group -G, --groups -n, --name print a name instead of a number, for -u,-g,-G -r, --real print the real ID instead of the effective ID, with -u,-g,-G -u, --user -z, --zero delimit entries with NUL characters, not whitespace; not permitted in default format --help --version . (Arnold Robbins) (David MacKenzie). - GNU coreutils: Copyright (C) 2025 Free Software Foundation, Inc. GPLv3+: GNU GPL 3 . : . , . , info '(coreutils) id invocation' () Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. GNU coreutils 9.7 2025 . ID(1)