Professional Linux OS Editors Interview Questions & Answers:

1. Which vi editor command copies the current line of the file?
a) yy
b) yw
c) yc
d) none of the mentioned

a) yy
Explanation:
The command 'p' puts the copied text after the cursor.

2. Which command is used to close the vi editor?
a) q
b) wq
c) both (a) and (b)
d) none of the mentioned

c) both (a) and (b)
Explanation:
The command 'q' just closes the file and 'wq' saves and closes the file.

3. Which command is used to delete the character before the cursor location in vi editor?
a) X
b) x
c) D
d) d

a) X

4. Which one of the following statement is not true?
a) vim editor is the improved version of vi editor
b) vi editor commands are not case sensitive
c) vi editor has two modes of operation: command mode and insert mode
d) vi stands for visual editor

b) vi editor commands are not case sensitive

5. In vi editor, the key combination CTRL+f:
a) moves screen down one page
b) moves screen up one page
c) moves screen up one line
d) moves screen down one line

a) moves screen down one page

6. Which one of the following statement is true?
a) autoindentation is not possible in vi editor
b) autoindentation can be set using the command ':set ai'
c) autoindentation can be set using the command ':set noai'
d) autoindentation is set by default in vi editor

b) autoindentation can be set using the command ':set ai'

7. Which command searches the string in file opened in vi editor?
a) / or ?
b) f or F
c) t or T
d) none of the mentioned

a) / or ?

8. In vi editor, which command reads the content of another file?
a) read
b) r
c) ex
d) none of the mentioned

c) ex

9. Which command shows all the abbreviations in vi editor?
a) ab
b) abb
c) show
d) none of the mentioned

a) ab

10. Which command sets the number for all lines?
a) :set li
b) :set ln
c) :set nu
d) :set nl

c) :set nu