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This article mainly explains the "linux vi editor commonly used commands", the explanation content in the article is simple and clear, easy to learn and understand, please follow the small series of ideas slowly in-depth, together to study and learn the "linux vi editor commonly used commands" bar!

There are three state modes in the vi editor

1. command mode

2. input mode

3. last row mode

Interconversion between three modes

Start and exit vi editor

Direct access to editing environment

$ vi

Enter the editing environment and open the (New) file

$ vi myfile

Exit vi editing environment

Enter the last line command to discard changes to the file and exit the editor

:q!

File Save vs. Save As

save the file

save changes to files already open in vi editor

:w

save as a file

Save contents of vi editor as specified file name

:w myfile

Multiple ways to exit vi editor

Unmodified Exit

Exit vi editor without making changes to files open in vi editor or saving changes

:q

save and exit

Save files in vi editor and exit vi editor

:wq

exit without saving

Discard changes to file contents and exit vi editor

:q!

Cursor movement and page turning operations

Operation type Cursor operation key function

Cursor movement h Move cursor to the left

l Move cursor to right

k Move cursor up

j Move cursor down

Ctrl + f: Turn the page forward

Ctrl + b Flips back the entire page

Ctrl + u Scroll forward half a page

Ctrl + d Scroll back half a page

Quick jump in line

Function of operation keys

^Jump the cursor quickly to the first character of the line

$Jump the cursor quickly to the end of the line character

w Quickly jump the cursor to the first letter of the next word at the current cursor position

b Quickly jump the cursor to the first letter of the word before the current cursor position

e Quickly jump the cursor to the last letter of the word after the current cursor position

Quick jump between file lines

command function

:set nu Show line numbers in the editor

:set nonu Cancel line numbers in the editor

1G Go to the first line of the file

G Go to the end of the file

#G Jump to line #in file

Enter input mode

command function

i enters the insertion state at the current cursor

a Enter insert state after current cursor

A Move the cursor to the end of the current line and enter the insertion state

o Insert a new line below the current line. Move the cursor to the beginning of the new line to enter the insert state.

O Insert a new line above the current line. Move the cursor to the beginning of the new line to enter the insert state.

cw deletes the character at the end of the word where the current cursor is located, and enters the insertion state

c$Delete the character from the current cursor to the end of the line and enter the insertion state

The c^command deletes the characters from before the current cursor (excluding the characters on the cursor) to the beginning of the line and enters the insertion state.

Edit key operation of input mode

key function

Arrow keys for up and down left and right direction of cursor movement

Home Quickly position the cursor to the beginning of the line

End Quickly position the cursor to the end of the line

PageUp Page up of text

PageDown Page Down of text

Backspace Delete the character to the left of the cursor

Del Delete character at cursor position

delete operation

command function

x Delete single character at cursor

dd Delete cursor row

dw Delete all characters from the current character to the end of the word (including spaces)

de Delete all characters from the current character to the end of the word (excluding spaces at the end of the word)

d$Delete all characters from the current character to the end of the line

d^Delete all characters from the current character to the beginning of the line

J Delete the newline at the end of the line where the cursor is located, which is equivalent to merging the contents of the current line and the next line.

undo operation

command function

u Cancel the last operation and restore the operation result

You can use the u command several times to recover from a multistep operation that has been performed

U Cancels all operations on the current row

Ctrl + r Restores actions undone with the u command

Copy and paste operations

command function

yy copies the entire contents of the current line to vi buffer

yw copies the contents of the current cursor to the last character of the word into the vi buffer

y$copies the contents of the current cursor to the end of the line into the vi buffer

y^Copy the contents of the current cursor to the beginning of the line to the vi buffer

p Read the contents of the vi buffer and paste it to the current cursor position (without overwriting the existing contents of the file)

string lookup operation

command function

/word Find the string "word" in the file from top to bottom

? word Find the string "word" in a file from the bottom up

n locates the next matching searched string

N locates a matching searched string on

string substitution operation

command function

:s/old/new Replace the first string of characters found in the current row "old" with "new"

:s/old/new/g Replace all strings found in the current row with "new"

:#,#s/old/new/g Replace all strings "old" with "new" within line number "#,#"

:%s/old/new/g Replace all strings "old" with "new" throughout the file

:s/old/new/c Add the c command to the end of the substitution command to prompt the user for confirmation of each substitution action

vi editor online help

Install packages to use vi online help

vim-common-6.3.035-3.i386.rpm

vim-enhanced-6.3.035-3.i386.rpm

Package on RHEL5 2nd installation CD

Two ways to use vi online help

Press "F1" key in vi editor

Enter the help last line command

:help

Thank you for reading, the above is the "linux vi editor commonly used commands" content, after the study of this article, I believe we have a deeper understanding of the linux vi editor commonly used commands this issue, the specific use of the situation also needs to be verified by practice. Here is, Xiaobian will push more articles related to knowledge points for everyone, welcome to pay attention!

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