Vim practice manual (2) frequently used status switch buttons

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1. Normal Mode-> insert mode

I
Lowercase letter I, insert at the cursor position

A
Lowercase letter A, insert at the next position of the cursor

I
Uppercase letter I, insert at the first non-space position in the row where the cursor is located

A
Uppercase letter A, inserted at the last character in the row where the cursor is located

O
Lowercase letter O, insert a new line at the next line of the row where the cursor is located

O
Uppercase letter O, insert a new line at the top of the row where the cursor is located

R
Lowercase letter R, replace the character at the cursor once

R
The uppercase letter R is used to replace the character at the cursor until you Press ESC.

2. Normal Mode-> command-line mode

: W
Save files

: W!
Force save files (provided that you have the permission to modify files)

: Q
Exit the Buffer Zone

: Q!
Force exit the buffer without saving

: WQ
Save the file and exit the buffer.

: WQ!
Force save the file and exit the buffer (provided that you have the permission to modify the File Access)

: W <FILENAME>
Save as file named filename

: N1, N2 W <FILENAME>
Save the data from line N1 to line N2 as the filename file.

If the file is changed, save the file and exit. Otherwise, exit directly.

3. insert mode-> normal mode

Press ESC

4. command-line-> normal mode

Press ESC

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