# AIX

Shutdown
 shutdown        ( 60 sec)shutdown now (shutdown  60 sec)
  > shutdown 명령만 실행시 mount 연결이 정상적으로 끊기지 않아 무기한 대기상태에 빠질수 있음.
  > 아래의 -F 옵션을 붙이길 권장
 shutdown -F     (force shutdown)

Reboot
 shutdown -r     (reboot and flush cache to disk)
 shutdown -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

# Solaris

Shutdown
 shutdown -i5 -y -g0
 sync;sync;init 5
 poweroff

Reboot
 shutdown -i6 -y -g0
 sync;sync;init 6
 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