Introduction to the use of vim

vim: upgraded version of vi

Supported modes: general mode, edit mode, command mode

Install vim:

[root@localhost ~]# yum -y install vim-enhanced

Operation of vim in general mode:

Move cursor up: arrow keys up or k

Move the cursor down: arrow keys down or j

Move the cursor to the left: arrow keys left or h

Move the cursor to the right: arrow keys right or l (lowercase L)

Move up 5 lines: 5+ arrow keys up or 5+k

Move down 3 lines: 3+ arrow keys down or 3+j

Move 6 characters to the left: 6+ arrow keys left or 6+h

Move 8 characters to the right: 8+ arrow keys right or 8+l (lowercase L)

Page Down: Ctrl+B or Page Down

Page Up: Ctrl+F or Page Up

Move the cursor to the beginning of the line: 0 or shift+6

Move the cursor to the end of the line: shift+4

Move cursor to first line (first line of text): gg

Move cursor to last line (last line of text): G

Move the cursor to line n: number n+G or number n+shift+g

Copy current row: yy

Copy the current row and the next n rows: number n+yy

Cut current row: dd

Cut current line and next n lines: number n+dd

Paste to the next line from the current line: p

Paste to the previous line: P or shift+p

Undo operation: u (forward undo, equivalent to Windows ctrl+z, when u accidentally press more can use ctrl+r backward undo)

Delete (cut) one character backwards: x

Remove (cut) one character forward: X or shift+x

Paste to the back of the current cursor: p

Paste in front of the current cursor: P or shift+p

Visual operation: v (select the document area to be operated from the current position of the cursor, which is equivalent to selecting a section of content with the mouse. After the selected content, input gU to upper case, and input gu to lower case)

Save and Exit: ZZ

Operation in vim editing mode:

i: Enter edit mode before cursor position

I or shift+i: enter edit mode from the beginning of the line where the cursor is located

a: Enter edit mode from the cursor position

A or shift+a: enter edit mode from the end of the line where the cursor is located

o: Insert a new line below the cursor position

O: Insert a new row above the cursor position

ESC: Exit Edit Mode

Operation in vim command line mode:

/word: search for the string word down, press n to find the next string word, shift+n or N to find up

? word: search up the string word, press n to find the previous string word, shift+n or N to find down

:1,10s/word/test/g: Replace the string word with test in lines 1 to 10, without adding g to replace the first word in each line

:1,\$s/word/test/g: Replace the full-text string word with test without adding g to replace the first word in each line

Replace content with path: use the disambiguation\or #,@ symbols

:1,$s/\/etc\/passwd/\/tmp\/test.txt/g

:1,$s#/etc/passwd#/tmp/test.txt#g

:1,$s@/etc/passwd@/tmp/test.txt@g

:w Save

:wq Save and exit

:w! doc saving

:wq! Force save and exit

:q Cancel modification and exit

:q! Force cancel modification and exit

:set nu Display line numbers

:set nonu Do not display line numbers

:nohl Unhighlight

:x Save Exit (when the file content has been modified, the same effect as:wq, if the file has not been modified, using:wq Save Exit will modify the file mtime, but:x will not)