WHO(1) WHO(1) who -- who []... [ | 1 2 ] , . -a, --all , -b -d --login -p -r -t -T -u -b, --boot -d, --dead -H, --heading -l, --login , --lookup DNS -m , -p, --process , init -q, --count , , -r, --runlevel (runlevel) -s, --short , ( ) -t, --time -T, -w, --mesg , +, - ? -u, --users , --message , -T --writable , -T --help --version , /var/run/utmp. /var/log/wtmp . 1 2, -m; <> <>. (Joseph Arceneaux), (David MacKenzie) (Michael Stone). - GNU coreutils: Copyright (C) 2024 Free Software Foundation, Inc. GPLv3+: GNU GPL 3 . : . , . , info '(coreutils) who invocation' () Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. GNU coreutils 9.5 2024 . WHO(1)