单项选择题

A recently installed package needs to be rolled back to a previous version. Which of the following commands will perform the task？（）

A.reject
B.cleanup
C.deinstall
D.uninstall

点击查看答案

上一题目录下一题

相关考题

单项选择题

non-root user can run rsh commands from serverA to serverB， but attempts to run rsh commands by the root user return with a permission error message. What action will resolve the problem？（）

A.Add root user to the /etc/hosts.equiv on serverb
B.Create $HOME/.rhosts file for the root user on serverb
C.Restart the rshd daemon with root enabled option on serverb
D.Add entry to allow root user from serverA to the /etc/hosts.allow on serverb

单项选择题

Which command restores files from a volume group backup on a specified media？（）

A.mksysb -r
B.savevg -r
C.restorevg -r
D.restorevgfiles

单项选择题

Which command should an administrator use to put a system in maintenance mode without rebooting？（）

A.init 0
B.telinit m
C.shutdown -FM
D.sh /etc/rc.maint