Liunx basic commands (vim editing files)

Hello everyone, the content continues to explain. This time, we will introduce the vim file editing command in liunx. Well, this command can bring out so much content as you can imagine its importance, in this section, I suggest you contact us to learn more, because this will affect the speed of future operations. Come on ..

Vim Text Editor

Edit File

Vi

[Root @ 0425 ~] # Vim xu

After entering the command mode

Input mode

Last Row Mode

Enter the input mode in command mode

A is inserted after the current character

A: Enter the end of the current row

I Current Character Input

I current character header Input

O input the next row of the current row

O input of the previous row of the current row

S. Delete the current character and enter

S. After deleting the current row, enter

Command mode

U undo one-step operation

Ait + r restore previous step

Home

End

Copy

Yy is to copy a row

P is the next line of the row where the cursor is located)

Copy 3 rows

3yy is to copy 3 rows

P Paste

Cut

50 dd cut 50 rows

P Paste

Delete

Delete 50 rows in 50dd

The difference between deleting and pasting is that p-pasting is not needed.

^ Beginning and end of the row $

D ^ Delete the current character to the beginning of the line

D $ Delete the current character to the end of the line

W. the first character of the next word

Yw copies a word from the cursor to include the cursor

Dw cut a word

G indicates the ending line.

Gg indicates the first line

Dgg deletes the current row to the first row

DG deletes the current row to the end

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The last row mode and the last row mode are all input:

Input:

W save

Q exit

Wq save and exit

Q! Force exit

W! Force save

Wq! Force save and exit

W aa is saved as aa in the current directory

2, 4, w aa, 2 to 4 rows stored in the current directory named aa

Quickly move the cursor in vim

H: Move to left l: Move to right

K: Move up j: Move down

Move now

The keyboard is up, down, and right

Bytes -----------------------------------------------------------------------------------

Read a file

Open vim

Input: e/root/aa

Append a file to another file

Vim/etc/aa

: R/tmp/bb

Re-read the current file

: E!

Search content

Search

/From top down? From bottom to top n N next

Remove search keywords

Search for a character that does not exist, and press OK.

Replace part: s ///

: S/AB/$/

: S/AB/$/g replace the whole

: % S/AB/$/replace all rows

: 3, 6 s/AB/$/g replace 3 to 6 rows

: S/AB/$/gc optional line replacement

: % S // s/g remove spaces \ s spaces of all rows

: % S/\ t // g remove all spaces \ t tabulation symbols

\ N merge into one row

Remove spaces (\ s) Starting with lines 2-6)

2, 6 s/^ // g

2, 6 s/^ \ s // g

Remove all spaces in the entire file

% S/\ s // g

% S // g

% S/* // g

Replace line feed characters with spaces (\ n)

: % S/\ n // g

Remove all empty rows

G/^ $/d

G/^ \ s * $/d

Call up row number

: Set nu

Remove row number

: Set nonu

Auto indent

Set autoindent

Set noautoindent

Save and exit

: X is as bad as wq and sometimes cannot be saved)

Enter a password for the encrypted file

: X

Others can also perform the 2nd password.

Cancel Password

Input here: X 2nd times not input

View process l: Move to the right

[Root @ 0425 a] # ps-ef

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Vim main configuration file

[Root @ 0425 etc] # vim/etc/vimrc

Open multiple files

[Root @ 0425 ~] # Vim cc.txt aa.txt cc.txt

: Args: next: prev: last: first ctrl + 6)

Multiple files are stored on the same screen at the same time.

Open a file

Vimdiff aa.txt cc.txt tt.txt has a messy color

[Root @ 0425 ~] # Vim-O cc.txt aa.txt cc.txt no color

Ctrl + ww is to switch files

Vim Help documentation

[Root @ 0425 ~] # Cd/usr/share/vim/vim70/tutor/

[Root @ 0425 tutor] # If gedit tutor. zh. euc is opened, it is garbled to change character coding to UTF-8.

It is not garbled when it is replaced here. It cannot be used in Chinese)

Convert UTF8 to GB18030 and output tutor. zh. euc to test.txt.

[Root @ 0425 tmp] # iconv-f UTF8-t GB18030 tutor. zh. euc-o test.txt

-F file source Character Set-t output character set-o output file

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