Vim Quick Guide

The VI editor has 3 modes: Command mode, input mode, and last line mode. It is important to master these three models:

Command mode: VI starts after the default entry is the command mode, any mode, press the [ESC] key can return to the command mode.
Input mode: can enter characters, at the bottom of the display "--insert--" Mark VI entered the input mode.
last-line mode: Enter ":" in the command mode to enter the mode, there are many good commands in the last line mode.

Save File:
: W Save current file: Wq Save and exit: Q exit: q! force quit does not save

To move the cursor:
J down K up H left L right
W Next word first W treats special symbols as part of a word
B Previous Word first B treats special symbols as part of a word
0 Beginning of line ^ beginning of text (after the beginning of a space) $ end
H page Top m page bottom of Middle L page

Numeric parameters:
You can use numeric parameters to repeat execution. For example:
100j Execute 100 This J key, down 100 lines
GG File header g file end line
< line number >g go to the corresponding line by line number

edit: N for Number
x Delete current character dd Delete current line yy copy current line p after cursor paste p paste before cursor
NDD deletes n rows starting from the current line NX remove three characters to the right at the cursor
u undo the most recent operation, you can use it multiple times to reply to all operations. U Cancel all Operations
yy copies the current line to the cache yw copy the current word y$ copy the current position to the end of the line y^ copy the current position to the beginning of the row
nyy copy n rows nyw copy n each word
If you want to copy the contents of line M to nth: M,ny For example: 3,5y Copy the third row to line fifth to the cache

Find:
find and replace primarily in the last line mode
top-down search/characters to find for example:/work find work
bottom-up lookup? The character you're looking for, such as:? Work find work

Replacement:
: S/old/new replaces the first occurrence of the old in the row with new
: S/old/new/g replaces all occurrences of old in line with new
M,n s/old/new/g replaces all old that appear from line m to nth row
% s/old/new/g replaces the old that appears in the entire article with new
: S/OLD/NEW/GC global replacement and requires user confirmation

get help commands by: helper [Content or command]

Vim Quick Guide