VI Modes and Commands

Question 1

command mode

Answer 1

Characters typed perform actions like moving the cursor, cutting or copying text, or searching for a particular text string. vi opens in command mode.

Question 2

insert mode

Answer 2

Actual text is typed or overwritten.

Question 3

i

Answer 3

Insert before cursor (insertion command)

Question 4

a

Answer 4

Append after cursor (insertion command)

Question 5

o (little)

Answer 5

Insert below current line (insertion command)

Question 6

O (big)

Answer 6

Insert above current line (insertion command)

Question 7

yy

Answer 7

Copy line into memory (yank-yank) (insertion command)

Question 8

p

Answer 8

Works with yy to place copied line onto the existing or next line (insertion command)

Question 9

5p

Answer 9

Places five lines of what was copied, at cursor (insertion command)

Question 10

x

Answer 10

Delete current character (deletion command)

Question 11

r

Answer 11

Replace current character (deletion command)

Question 12

dd

Answer 12

Delete current line (deletion command)

Question 13

h

Answer 13

Move cursor one place to the left (Navigation Commands)

Question 14

l (lowercase L)

Answer 14

Move cursor one place to the right (Navigation Commands)

Question 15

j

Answer 15

Move cursor one place down (Navigation Commands)

Question 16

k

Answer 16

Move cursor one place up (Navigation Commands)

Question 17

/

Answer 17

Searches within the document for a string (Navigation Commands)

Question 18

:set nu

Answer 18

Displays line numbers for each line of text (ex editor command)

Question 19

:set nonu

Answer 19

Removes line numbers from each line of text (ex editor command)

Question 20

:w

Answer 20

Writes (saves) latest changes to the file (exit commands)

Question 21

:q

Answer 21

Quits, leaving vi open in command mode (exit commands)

Question 22

:q!

Answer 22

Quits vi without saving changes (exit commands)

Question 23

:wq!

Answer 23

Saves file and any changes, and quits vi (exit commands)