Vim Editor Usage rules

Vim Editor Usage rules

1. The Vi Editor has 3 usage modes: General mode, edit mode, and command mode.
2. $SHELL: View the current default SHELL type

$BASH _version: View the current Shell version

3. General Mode:

Cursor Movement shortcut keys
Operation	Shortcut keys
Move Cursor Down	Down ARROW key,J, space bar
Move Cursor up	Up ARROW key,K,backspace key
Move the cursor to the left	Left ARROW key,h
Move the cursor to the right	Right ARROW key,L (l lowercase )
Move to the beginning of the next line	Enter
Move to the beginning of the previous line	- Key
Move to the last line of the file	G Key

Text Manipulation shortcut keys
Operation	Shortcut keys
Right insert	A
Left insert	I
End of line Append	A
Beginning of insertion	I
Insert Row	O ( insert one line ) or o ( bottom line )
Overwrite text	R
Merge rows	J

Text copy and paste shortcut keys
Operation	Shortcut keys
Copy rows	Yy
Copy Multiple lines	Nyy
Copy a Word	yw
Copy multiple words	Nyw
Copy cursor to beginning of line	y^
Copy cursor to end of line	y$
Where to paste after the cursor	P
Where to paste before the cursor	P

Delete text shortcut keys
Operation	Shortcut keys
Delete current character	X
Delete multiple characters	Nx
Delete When moving forward	Dd
Delete multiple rows	Ndd
Undo previous Action	U
Undo Multiple actions	U

"/": Search mode :/string-N ( search down )/n ( search up )

4. Edit mode:

It's not much different from other editor modes.

5. Command mode:

Common vi commands
Operation	Command
Open File	: E file name
Save File	: W
Exit editor	: Q
Exit editor directly	: q!
Exit and save the file	: Wq
Jumps to the specified line	: N : n+ ( next hop n row ) : N-( top jump n rows )
Show or hide line numbers	: Set Nu : Set Nonu
Replace string	: S/old/new replaces the first occurrence of the old in the current row with the string new : s/old/new/g replaces all strings in the current line with string new old : n,m s/old/new/g replaces all strings from n to m with string new old :%s/old/new/g replaces all characters in the current file with string new old
Set file format	: Set Fileformat=unix

6. Building the system environment

Shell configuration file:

There are 5 main profiles for Bash , 4 of which are in the user home directory.

. Bash_profile: is located in each user's home directory, where it is used to save the shell information that the user uses . Environment variables are often set.

. BASHRC: Contains bash-related information specifically belonging to a user . Used primarily to define aliases and functions.

. bash_logout: Executed every time the current user exits the Shell .

. bash_history

There is also a BASHRC in the/ etc directory . files that are used jointly by all users of bash.

Vim Editor Usage rules