[Comanddetail] Vim

Character editing:

X: Delete the character at the cursor;

#x: Delete the # characters at the beginning of the cursor;

XP: Swap the position of the character where the cursor is located and the character behind it;

Replace command (R, replace)

R: the character at which the cursor is replaced

Delete command:

D: Delete command, can be combined with the cursor jump character, to achieve range deletion;

d$:

d^:

D0:

Dw

De

Db

#COMMAND

DD: Delete the line where the cursor is located;

#dd: Multi-line deletion;

Paste command (p, put, paste):

P: If the buffer is an entire row, the current cursor is pasted below the line, otherwise, it will be pasted at the back of the current cursor;

P: If the buffer is an entire row, the current cursor is pasted above the row, otherwise, it is pasted at the front of the current cursor;

Copy command (y, yank):

Y: Copy, work behaves similar to D command;

y$

Y0

y^

Ye

yw

Yb

#COMMAND

YY: Copying rows

#yy: Copy multiple lines;

changing commands (c, change)

C: Modify

Edit mode--Input mode

C $

c^

C0

Cb

Ce

cw

#COMMAND

CC: Delete and enter new content

#cc:

Other editing operations

Visualization mode:

V: Selected by character

V: set by row

Note: often combine editing commands;

D, c, y

To undo previous edits:

U (undo): Undo the previous operation;

#u: Undoes the specified number of operations;

Undo the previous undo:

Ctrl+r

Repeat the previous edit operation:

.

Turn screen operation:

Ctrl+f: Turn a screen at the end of the file;

Ctrl+b: Turn one screen to the file header;

Ctrl+d: Half-screen to the tail of the file;

Ctrl+u: Turn half screen to file header;

Vim comes with a practice tutorial:

Vimtutor

Last-line mode in VIM:

Built-in command-line interface

(1) Address delimitation

: Start_pos,end_pos

#: The specific # line, for example, 2 means line 2nd;

#,#: From the left # indicates the line start, to the right # indicates the end of the line;

#,+#: The start of the line from the left #, plus the number of rows on the right #;

.: When moving forward

$: Last line

., $-1

%: Full text, equivalent to 1,$

/pat1/,/pat2/:

Starting from the first line that is matched to the pat1 pattern, until the end of the line to which the first match is PAT2;

#,/pat/

/pat/,$

How to use:

followed by an edit command

D

Y

W/path/to/somewhere: Save the range of rows to the specified file;

R/path/from/somefile: Inserts all the contents of the specified file at the specified location;

(2) Find

/pattern: Looks at the end of the file from the current cursor location;

? PATTERN: From the current cursor location to the file header lookup;

N: In the same direction as the command;

N: Opposite direction with command;

(3) Find and replace

S: Complete the Find and replace operation in the last line mode

s/what to look for/replace with content/modifiers

What to look for: Available modes

Replace with: cannot use mode, but can use \1, \2, ... You can also use "&" to refer to the entire content found in the previous lookup;

Modifier:

I: Ignore case

G: global substitution; By default, each row replaces only the first occurrence;

Find separators in substitutions/can be replaced with other characters, such as

[Email protected]@@

s###

Practice:

1, copy/etc/grub2.cfg to/tmp/directory, use the Find replacement command to delete the beginning of the line in the/tmp/grub2.cfg file blank characters;

%s/^[[:space:]]\+//g

2. Copy the/etc/rc.d/init.d/functions file to the/tmp directory, and add a # number to the beginning of the line beginning with each line of/tmp/functions with the find replacement command;

:%s/^[[:space:]]/#&/

Multi-file Mode:

Vim FILE1 FILE2 FILE3 ...

: Next Next

:p Rev A previous

: First One

: Last One

: Wall Save All

: Qall Quit all

Window-delimited mode:

Vim-o|-o FILE1 FILE2 ...

-O: Horizontal split

-O: Vertical split

Switch between windows: Ctrl+w, Arrow

Single File Window segmentation:

Ctrl+w,s:split, Horizontal split

Ctrl+w,v:vertical, Vertical split

Customizing the working characteristics of vim:

Configuration file: Permanently valid

Global:/ETC/VIMRC

Personal: ~/.VIMRC

Last line: The current VIM process is valid

(1) Line number

Display: Set number, abbreviated as set Nu

Cancel display: Set Nonumber, abbreviated to set Nonu

(2) Bracket matching

Match: Set Showmatch, abbreviated as set SM

Cancel: Set NOSM

(3) Auto Indent

Enable: Set AI

Disabled: Set Noai

(4) Highlight Search

Enabled: Set Hlsearch

Disabled: Set Nohlsearch

(5) syntax highlighting

Enabled: Syntax on

Disabled: Syntax off

(6) Case of ignoring characters

Enable: Set IC

Do not ignore: set Noic

Get help:

: Help

: Help Subject

Question: How do I set the tab indent to 4 characters?

Practice:

1. Copy the/etc/rc.d/init.d/functions file to/tmp directory, replace the/etc/sysconfig/init in the/tmp/functions file with/var/log;

2. Delete the # at the beginning of all lines in the/tmp/functions file that begin with # and have at least one blank character after #;

[Comanddetail] Vim