vim commands

Question 1

How do you open another file while you are in vim

Answer 1

Enter command mode and type:e filenameYou can also use :e to reload the file that you have currently opened. Typically this is used to discard the edits and start over from the previous saved file

Question 2

How do you save a file?

Answer 2

Enter command mode and pressing :w If you like to save and quit press :wq

Question 3

How do you exit vim

Answer 3

Enter command mode and press :q if you edited the file and you like to dicard the edits and exit vim without saving press :q!

Question 4

Save the contents in vim as a different file

Answer 4

Enter command mode and :w newfilename

Question 5

Repeats the last change made in normal mode

Answer 5

Enter comamnd mode and type .

Question 6

Repeat 5 times the last change made in normal mode

Answer 6

Enter command mode and type 5.

Question 7

move the cursor to the end of the word or beginning of word

Answer 7

e - endb - beginning

Question 8

move the cursor to the beginning/end of the line

Answer 8

0 beginning of line$ end of line

Question 9

move the cursor to the end/start of the file

Answer 9

In command modeG - endgg - first line

Question 10

move the cursor to the bottom of the screen

Answer 10

L

Question 11

move cursor to line 59. Replace 59 by the desired line number.

Answer 11

:59 to go to line 59

to configure vim to
show line numbers
:set nu

to not show line numbers
:set nonu

Question 12

Copy commands

Answer 12

Enter escape modePress
y to copy the selected text to clipboard
press yy to copy the current line press
5yy to copy 5 lines
press y$ to copy from cursor to end of line
press y^ to copy from start of line to cursor

Question 13

Paste clipboard contents

Answer 13

Enter command mode and press p

Question 14

Delete or cut

Answer 14

Enter escape mode and press dd to Cut current lineD cut from cursor to end of line

Question 15

Search fred or joe

Answer 15

/fred|joe

Question 16

Replace all occurrences of old by new in file

Answer 16

enter escape mode and :%s/old/new/g
:%s/onward/forward/gi for case insensitive
:%s/old/new/gc replace all occurrances with confirmation

Question 17

Replace the beginning of each line by hello

Replace the end of each line by Harry

Answer 17

:%s/^/hello/g

:%s/$/Harry/g

Question 18

Delete all lines containing string

Delete all lines containing which didn’t contain string

Answer 18

:g/string/d

:v/string/d Delete all lines containing which didn’t contain string

Question 19

Replace Bill by Steve in current line

Replace Bill by Steve in all the file

Answer 19

:s/Bill/Steve/g

:%s/Bill/Steve/g

Question 20

:%s/^M//g

Answer 20

Delete DOS carriage returns (^M)

Question 21

Vu

Answer 21

Lowercase line

Question 22

VU

Answer 22

Uppercase line

Question 23

ggguG

Answer 23

Set all text to lowercase

Question 24

gggUG

Answer 24

Set all text to uppercase

Question 25

:!pwd

Answer 25

Execute the pwd unix command then returns to Vi

Question 26

Temporary returns to Unix and return back to vi

Answer 26

:sh return to shellexit to return back to vi

Question 27

:5,$s/old/new/g

Answer 27

Replace all occurrences from line 5 to EOF

Question 28

search commands

Answer 28

/word Search word from top to bottom
/\cword top to bottom case insensitive
?word Search word from bottom to top
?\cword bottom to top case in sensitive

Question 29

How to configure vim to show line numbers each time it starts

Answer 29

Edit the file ~/.vimrc
and add a line
set -o vi
save the file. After that each time you run vim it will show line numbers