W(1) General Commands Manual W(1) (NAME) w - (SYNOPSIS) w [option ...] [user] (DESCRIPTION) w . (header) : (uptime) . : (login name) tty (remote host) (idle time) JCPU PCPU . JCPU tty . . PCPU "what" . (OPTIONS) -c, --container . -h, --no-header . -u, --no-current . su w w -u . -s, --short . JCPU PCPU . -t, --terminal w systemd utmp . (terminal mode) w . xterm . : /dev/tty* /dev/pts/*. -f, --from from ( ). from from . --help . -i, --ip-addr IP from. systemd libsystemd . -p, --pids PID / "what" "what". (session leader) . -V, --version . -o, --old-style . . user . (ENVIRONMENT) PROCPS_CONTAINER $PROCPS_CONTAINER w --container . PROCPS_USERLEN . . PROCPS_FROMLEN from. . (FILES) /var/run/utmp systemd. /proc /dev/tty* , /dev/pts/* --terminal . (BUGS) --terminal w PID 0 1 agetty(8) . . (idle time) X/Wayland . --terminal X/Wayland . systemd(1) --ip-addr from IP . (REPORTING BUGS) . (SEE ALSO) free(1), loginctl(1), ps(1), systemd(1), top(1), uptime(1), who(1), utmp(5), agetty(8) (AUTHORS) w Charles Hedrick Craig Small Jim Warner Jaromir Capik Sami Kerola Albert Cahalan . procps-ng 2025-11-29 W(1)