Basic usage of vim

1. Movement of the cursor

H move to the left

J move down

K move up

L (lowercase L) move to the right

Shift+6 (number 0) moves to the beginning of the line

Shift+4 moves to the end of the line

Gg moves to the first line

The end of the line of G movement

NG moves to the line where the number n is located

Ctrl+B turn the page forward

Ctrl+F turns the page backward

two。 Delete and paste

X delete one character backward X delete one character forward

Nx deletes n characters backward nX deletes n characters forward

Dd deletes a row

Ndd delete digits n lines

Yy replication

P cursor down copy P cursor up copy

U restore the operation of the previous step

V selected string

3. Edit mode

I insert before the current character

I insert at the beginning of the current line

An insert after the current character

An insert at the end of the current line

O insert a line under the line where the cursor is located

O insert a row on the line where the cursor is located

4. Command mode

/ word look for a string behind the cursor and press n to continue the search

? Word looks for a string before the cursor and presses n to continue the search

: N1 word1 n2sqqqqword1max Word2max g look for word1 between N1 and N2 lines and replace it with word2 without adding g, then only the first word1 of each line is replaced.

: 1 word2 word2 in the document without g, only the first word1 of each line will be replaced

W save text

: Q exit vim

: w! Forced save, which can be completed even if the text is read-only under root users

: q! Forced exit, all changes will not take effect

Wq saves and exits

: set nu displays the line number

: set nonu does not display line numbers