A.中止前臺任務(wù) B.給當前文件加上EOF C.將前臺任務(wù)轉(zhuǎn)入后臺 D.注銷當前用戶
A.init 0 B.poweroff C.shutdown -r now D.init 6
A./dev/sda2 B./dev/hd2 C./dev/sdb2 D./dev/hda2