以下Shell腳本中,date命令將執(zhí)行多少次?()
A.0 B.1 C.2 D.3
A.ipconfigeth0up192.168.1.2 B.ifconfigeth0up192.168.1.2 C.ifconfig192.168.1.2upeth0 D.ipconfig192.168.1.2upeth0