[1] [CITE[Man page of SHUTDOWN]]
([TIME[2015-02-06 06:34:06 +09:00]] 版)
<http://linuxjm.osdn.jp/html/LDP_man-pages/man2/shutdown.2.html>

[2] [CITE@ja[shutdown]]
([TIME[2011-04-26 22:57:53 +09:00]] 版)
<http://chokuto.ifdef.jp/advanced/function/shutdown.html>