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Editor to share with you what vi common operation commands are, I hope you will have something to gain after reading this article, let's discuss it together!

Vi operation:

Press ESC to jump to command mode, and then:

W Save the file without exiting vi

W file saves the changes to file and does not exit vi

: w! Forced save, do not launch vi

Wq saves the file and exits vi

: wq! Force to save the file and exit vi

Q: quit vi without saving the file

: q! Do not save the file, force to exit vi

: e! Discard all changes and edit since the last time the file was saved

Find instructions:

: set nu displays the line number

Shift + g Last Line

N + g jump to the nth line

The beginning of the line: shift + ^

End of line: shift + $

/ xxx look down

? xxx up

N next

Last one on shift + n

: set hls turns on highlight

: set nohls turns off highlighting

U means undo

Control+r means fallback

# undo operation

The u command cancels the last operation and can be used multiple times to restore the original operation [1]

U cancel all operations

Ctrl+R can resume the operation of using the u command

Grep

Grep command is a powerful text search tool in Linux system. It can use regular expressions to search text and print matching lines.

$grep 'test' d*

Displays lines that contain test in all files that begin with d.

# grep 'root' / etc/group

Root::0:root

Bin::2:root,bin,daemon

Sys::3:root,bin,sys,adm

Adm::4:root,adm,daemon

Uucp::5:root,uucp

Mail::6:root

Tty::7:root,tty,adm

Lp::8:root,lp,adm

Nuucp::9:root,nuucp

Daemon::12:root,daemon

# grep'^ root' / etc/group matches the start line of the regular expression

Root::0:root

After reading this article, I believe you have a certain understanding of "what are the common operation commands of vi". If you want to know more about it, you are welcome to follow the industry information channel. Thank you for reading!

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