题目内容

In Linux, you can schedule tasks by changing the file ____

A. tasksch
B. tasktab
C. crontab
D. cronetab

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更多问题

Which of the following commands cannot be use to edit a file?

A. ed
B. vi
C. Edit
D. None of the above

Which command will save the current file in ed?

A. w
B. save
C. s
D. q

In vi, which keys are used to move the cursor?

A. a, w, x, and d
B. h, j, k and l
C. a, b, c, and d
D. The arrow keys

In vi, which command is used to undo the last command?

A. u
B. z
C. Z
D. Ctrl + Z

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