Text Editor Vim/VI

I,
Official Website

Www.vim.org

II,
VI Working Mode

Command mode, insert mode, and edit mode.

III,
Go to VI

1.
Use VI to open a file.

2.
Directly go to the specified location.

1)
Vi + 20/etc/passwd

2)
Vi +/root/etc/passwd

IV,
VI Basic Applications

1.
INSERT command: I, A, O.

2.
Cursor movement command

1)
Movement in characters: H, J, K, L

2)
Move in words: W, B, E

3)
Move to the beginning or end of a row: $ (N $), 0

4)
Move to the specified character in a row: F (move the cursor to a specific character in the current row, FA)

5)
Move to matching brackets: %

6)
Move to the specified row: NG

7)
Move to the last line: gg

3.
Use VI for editing

1)
Search for a string: "/string to be searched" (Backward Search), "? The string to be searched (Forward search),/^ root (the row ending with root), And/root $ (the row starting with root)

2)
Replace with VI: ": Replace the start position, replace the end position S/string to be replaced/Replace the string/g" (for example, ": 1, $ S /:/, /g)

3)
Use VI to delete, paste, and copy: X, DD, NDD, P, YY, nyy, J, U, CTRL + R (excessive undo, re-Execute UNDO)

4.
Save the exit command: W, Q ,!, W
Path/new file name, ZZ (in command mode)

V,
VI advanced applications

1.
Show row number: Set Nu, set Nonu

2.
Multi-Window Editing: ": SP another file", CTRL + W + k, CTRL + W + J, ": R
Copied file name"

3.
Copy region: Ctrl + V-> select region-> Y-> move to target location-> P

4.
Interaction with Shell in VI ::!
Command