单项选择题
A. conslog
B. nimlog
C. bosinstlog
D. errlog
单项选择题 Apatchhasbeenappliedtotheoperatingsystem.Afterrebooting,thesystemishung.Whichofthefollowingcommandsshouldhavebeenperformedtopreventthesystemfromhanging?（）
单项选择题 Whichofthefollowingkdbsubcommandsshouldbeenteredtoobtaininformationaboutaserialport?（）
单项选择题 Whichlogfileshowspreviousinstallationinformation?（）