Unix shutdown/restart command (AIX,HP-UX,Linux,Sun)

--AIX--

Shutdown

shutdown        ( 60 sec)

shutdown now (shutdown  60 sec)

shutdown -F     (force shutdown)

Reboot

shutdonw -r     (reboot and flush cache to disk)

shutdonw -Fr     (force reboot)

reboot         (Not flush cache to disk)

--HP--

Shutdown

shutdown -hy 0 (Force shutdown  0 sec)

init 0

Reboot

shutdown -ry 0 (Force restart  0 sec)

reboot

--Linux--

Shutdown

shutdown -h now (Force shutdown  0 sec)

init 0

halt

poweroff

Reboot

shutdown -r now (Force restart  0 sec)

reboot

init 6

--Sun--

Shutdown

shutdown -i5 -y -g0

sync;sync;init 5

poweroff

Reboot

shutdown -i6 -y -g0

sync;sync;init 6

reboot