The use of vim

Vim goes in edit mode

Press I-to enter the editing mode

Press esc-to exit editing mode

Press u to undo in normal mode

Press I-cursor to enter the edit mode at the beginning of the line

Press a-cursor to enter the edit mode after the character

Press A-cursor to enter the edit mode at the end of the line

Press o-add a line below the cursor to edit the mode

Press O-add a line above the cursor to edit the mode

Vim command mode

W-write

Q-quit

Wq-write to quit

Q! -forced exit

Set nu-display line number

Set nonu--- cancel line number

/-search

N-jump down

Shift+n-Jump up

? -search

N-jump up

Shift+n-Jump Down

Replace

: 1Magic 20sCompact iptablespacing iptablesscarp replace IPTABLES in lines 1-20 with iptables

G global replacement

1the IPTABLES of the document is replaced by the iptables

1. Recording%

:% s/IPTABLES/iptables/g replaces all IPTABLES of the document with iptables

\ get out of mind

: 1 tes/ /\ / etc\ / /\ / 123\ / g replace / tes/ with / 123 /

\ can be replaced by #

Replace / tes/ with / 123 /

: nohl unhighlight

"vim" is a keyboard-operated editor, so there are many function keys in each mode.