超星 - Ex4 How to edit files - 查题吧

单选题

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

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

单选题

Which command will save the current file in ed?

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

单选题

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

单选题

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

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

单选题

In vi, which command is used to delete the current line?

A. dd
B. dl
Ctrl + Y
D. dline

单选题

In vi, which key is used to change from input mode to command mode?

A. F12
B. Ctrl + F7
C. ESC
D. ENTER

单选题

Which of these is not true about vi?

A. You can search text in vi
B. You can edit multiple file simultaneously in vi
C. You can use regular expression in vi
D. You can find vi in almost every Unix installation

1