VI initial contact

It has three modes:

I. general mode

2. editing mode

Three Command Line Mode

This section describes several common features ~~

Exit: q write: W

Force :!

(The above can be superimposed)

Show row number: Set nu cancel: Set Nonu

Jump to N rows: ng last row: G first row: Gg (= 1G)

Move n characters to a certain direction:

You can use a direction key or H (left), K (top), L (right), and J (bottom)

# Move 5 characters to the right

Eg: 5l

Search for words:/Word (down )? Word (down)

Search for words between lines X and Y and replace them with: X, YS/word/g (add C to ask for processing)

# Find the llh between 50-rows and replace it with llh automatically

For example, 50,100 S/llh/g

Delete the current row: dd

Copy the current row: yy

Paste: P (paste in the next line) P (paste in the previous line)

Undo: u