Linux Learning Commands (1)------VI text Editor

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The most powerful text editor under Linux is Vi/vim, and its commands, if used flexibly, are more efficient than other text editors when writing programs or editing text.

Vi/vim There are no menus, only commands, there are three modes of operation: Command mode, insert mode, and edit mode, three relationships such as

VI Common Command Insertion command:

A after the cursor is inserted

A at the end of the bank additional text

I insert before the cursor

I Insert text on the bank first

o Insert a new line under the cursor

O insert a new line on the cursor

Locate command:

H, the left arrow moves one character

J, move down one character in the direction key

K, move the key up one character in the direction

L, right-click one character to the right

$ move to end of line

0 move to the beginning of the line

H Move to upper screen

M moves to the center of the screen

L move to the bottom of the screen

: Set NU Displays line number

: Set Nonu Cancel line number

GG to First line

G to last line

: $ to last line, same as G function

NG to Nth row

: N to Nth row

CTRL+F Scroll forward one page

CTRL+B Scroll Backward one page

Delete command:

x Delete the character of the cursor

NX removes the n characters after the cursor is located

DD deletes the cursor in the row

NDD Delete the following n rows of the row where the cursor is located

DG deletes the contents of the line to the end of the file cursor

D0 Delete all the contents of the cursor at the beginning of the bank

d$ Delete all content at the end of the line where the cursor is located

D Delete all the contents of the cursor at the end of the line, with d$

DW Delete a Word

NDW Delete the first n words where the cursor is located

: nd deletes the nth row

: n1,n2d Delete all contents of line N1 to N2

: N1,n2 mo $ moves the contents of the N1 line to the N2 row to the last row

Copy and cut

yy, Y copy when forward

Nyy, NY Copy the following n rows of the current row

DD cuts the current line, which is actually delete

NDD cuts the current row following n rows

: N1,N2 Co n3 copies all the contents of the N1-N2 line to line N3

: N1,N2 co $ will get all the contents of the N1-N2 line to the last line

Paste command

P Paste to the next line in the current row

P paste to the previous row of the current line

Cancel command

U Cancel the previous action

Search and replace

/string search for the location of the string, n from the back to find, n from the back, search, if you want to ignore the case, then add: Set IC

:%s/old/new/g full text Replace specified string

: S/old/new replaces the first specified string that appears on the current line

: s/old/replaces all specified strings of the current line

: N1,N2 s/old/new/g replaces the specified string in a n1-n2 row

Save and exit

: Wq Save Exit

: wq! Force Save exit

: X and: Wq functions like

ZZ and: wq! functions like

: Q exit

: q! Force exit

Note:

There is also a command, the "." Command, which serves to repeat the previous command.

Linux Learning Commands (1)------VI text Editor