单项选择题
What command will an operator use to check if the system has NFS3 filesystems currently defined?（）
A. lsnfs3
B. lsnfs -v 3
C. lsfs -v nfs3
D. lsfs -t nfs3
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相关考题
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单项选择题
An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）
A. at -l
B. jobs -l
C. sched -l
D. crontab -l -
单项选择题
Which command enables a user to exit the vi editor, overwriting the existing file without prompting for confirmation?（）
A. :w
B. :qw
C. :x!
D. :we! -
单项选择题
User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?（）
A. User2 needs write permission to the directory.
B. User2 needs both read and write permissions to the directory.
C. User2 needs both read and execute permissions to the directory.
D. User2 needs both write and execute permissions to the directory.
