Basic vi editor commands for RHEL OS

   Redhat

    Vi editor is a text editor which comes from Unix operating system by default.

    Basic vi commands while in command mode

• To invoke  vi editor type ‘vi’ <filename> on the command line.
• vi filename

Input Command	Description
dd	Delete line
3dd	Delete 3 lines
dw	Delete word
4dw	Delete 4 words
ESC	Terminate insert mode
u	Undo last change
U	Undo all changes to entire line
h/j/k/l	Move cursor left/down/up/right
spacebar	Move cursor right one space
ctrl-d	Scroll down one half of a page
ctrl-d	Scroll down one half of a page
ctrl-u	Scroll up one half of a page
ctrl-f	Scroll forward one page
ctrl-b	Scroll back one page
gg	For going to top of file
shift+g	For bottom of file
/word	For searching the word in Entire File
yy	For copying
3yy	will copy 3 lines
p	For pasting
x10	delete (cut) 10 characters
: u	undo last command
:%s/apple/ball/g	It searches and replaces all the occurrence of word apple with ball  in the entire file