VI EDITOR COMMANDS 

:q  close file

vi  create/open new file

/<word_tobe_searched>

:w  save file

:wq  save and quit from file

:q!  quit from a read only file

:wq!  save and quit from a read only file

:0  go to first line

:1  go to first line

G  go to the last line

ctrl+g  prints total number of lines and current line in %

:%s?<string_tobe_replaced>?<new_string>g  global search and replace

k  go to previous line

j  go to next line

a  go to next character and insert mode

i  insert mode

escape  come out of insert mode

o  go to the next line and insert mode

B  Page up

F  Page down

h  go to previous character

l  go to next character

x  delete character

dd  delete single line

n dd  delete n lines

m a  mark current line with ‘a’

` a  go to the line marked ‘a’

:’a,’by  copy the lines marked between ‘a’ and ‘b’

:e <file>  opens second file

yy, p  copy & paste

dd, p  cut & paste

n yy  copy n lines

:r <file>  inserts the file contents specified in to current file after current line (cursor)

r <c>  replaces current character with ‘c’

ctrl + d  half screen down

ctrl + u  half screen up

^  go to start of line

$  go to end of line

w  go to the next word

l  go to the next character

e  go to the end of current word

dw  delete current word

cw  replace current word

cc  replace current line

.  execute previous command

:sp <file>  opens other file specified in the same screen, ctrl+ww can be used to shift between files

J  join the next line to current line

Shift+5  matching begin end