单项选择题
A.chitab
B.vi /etc/inittab
C.vi /sbin/rc.boot
D.mkitab
单项选择题 Whatsystemstartupfilewouldanadministratoreditforstartingupmiscellaneousthirdpartyapplications？（）
单项选择题 Duringsysteminitialization，whichcommandscriptisexecutedthroughthe/etc/inittabtoactivatepagespacesandmountfilesystems？（）
单项选择题 Whichscriptisexecutedduringsystemstartuptosetthesystemhostname，defaultgatewayandstaticroutes？（）