How to use VIM parameters

Vim General mode:

(1) Press the X key to delete the contents of the bank (backward delete)

(2) press SHIFT + X to delete the previous contents of the bank (delete forward)

(3) Press the number n and then press the X key to remove the N characters backwards

(4) Press the number n and then press SHIFT + X to remove n characters forward

(5) You can press the U key if you want to rewind the edit operation. Up to 50 times can be rolled back

(6) If you want to undo the fallback operation, you can press CTRL + R

(7) If you want to delete a row, press the D key two times, at which point the deleted content is stored in the clipboard of memory. If you press the P key at this point, you can paste the content you just deleted on the next line in the current row. If you press the SHIFT + P key, you can paste the previous line in the current row.

(8) If you press the number n and then the DD, you can delete the n rows.

(9) If you press the number n and then the YY, you can copy n rows.

(10) Press the number n, then press X, then delete (also cut) at this time. Of course, you can press p to paste at this point.

(11) Press the V key first, enter the visual mode, at this time press (H,J,K,L) key to move the cursor, select the selected text (or text block), and then press the X key, at this time the selected text (or text block) will be saved to the clipboard of memory

Vim edit mode

(1) Press the I key, the cursor at the current position, and enter the editing mode

(2) Press the I key, at which point the cursor moves to the beginning of the current line and enters edit mode

(3) Press the A key, the cursor moves back one position and enters edit mode

(4) Press the A key, at which point the cursor moves to the end of the current line and enters edit mode

(5) Press the O key, at which point the cursor moves to the beginning of the next newly inserted line of the current line and enters edit mode

(6) Press the O key, at which point the cursor moves to the beginning of the newly inserted line on the current line and enters edit mode

VIM command line mode

: Wq Write and exit: W write: Q exit three can match! Using the force execution

: Set NU Displays line number: Set Nonu does not display line numbers

/iptables search string iptables, will highlight the characters being searched, N jumps down, shift+n jumps up

Iptables search string iptables, will highlight the characters searched, shift+n down, n jumps up

: 1,20s/iptables/iptables/g replaces 1-20 rows of IPTABLES with Iptables,g as the global substitution, otherwise only the previous one is replaced when there are two IPTABLES on a row.

: 1, $s/iptables/iptables/g will 1-$ refers to 1-the last line, the entire document

:%s/iptables/iptables/g entire document,% = 1,$

For the character to be replaced with/the processing method is preceded by a \ used to decipher, so that the machine computer recognition

or such as the expression in/with other words # or @

How to use VIM parameters