VI Editor Commands in Linux

Vi editor commands

Input commands with (esc or ESCape)

Character	Description
-a-	Appends after cursor
-i-	Inserts before cursor
-o-	Opens a new line below the cursor
-O-	Opens a new line above the cursor
-dw-	Deletes single word
-dd-	Deletes entire line
-u-	Undo last change
-U-	Undo all changes of single line
-yy- or -Y-	Copies single line
5yy	Copies 5 lines
5dd	Deletes 5 lines
-p-	Paste the line after the cursor
-P-	Paste the line before the cursor
-x-	Deletes a character
:w	Saves file with the given name
:wq	Save and exit from vi
:q!	Quit without save
ZZ	Same as wq
G	Goto last line
6G	Goto specified line number
Ctrl+g	Displays current line number and file information
/searchstring	Searches for a string in the file
-n-	Repeats the search towards down (Find Next)
-N-	Repeats the search towards up (Find Previous)
:set list	Show invisible characters
:set nolist	Don’t show invisible characters
:set number	Displays line numbers
:set nonumber	Line numbers off
:set ignorecase	Ignore the case (helps while searching for a string in the file)
:set noignorecase	Switch off the ignore case option
:%s/Historical/historical_new /g	Replaces string Historical to historical_new % -  All lines /g  - Replace all occurrences in all lines
:5,20s/kalyan/kalyan_new /g	Replaces string from 5 to 20 lines only
:%s/SearchString/Replacewith /gi	-gi - Indicates replace string globally ignores case
:s/Linux/Unix	Replace only in current line, If you include %infront of s it replaces all lines