Linux VI edit Common key instructions

VI Edit Command
1.VI [file_name]  //Edit files
2.h, J, K, L //Move cursor
3.ctrl+f  //Page Down
4.ctrl+b  //PAGE UP
5.ctrl+d  //Upside down half page
6.ctrl+u  //Turn up half a page
7.n+  //n represents a number, jumps to the n characters of the current line, and the string index starts at 0.
8.0/home   Jumps the first character of the current line
9.$/end    //Jump to the last character of the current line
10.H  //The first character of the first line of the current screen
11.M  //The first character of the middle row of the current screen
12.L  //The last line of the current screen, the first character
13.G    //Move the last line of the file
.NG    //move n rows
15.gg    //Move First line
16.n+/n[enter]  //Move Down n rows

-----------------Find/Replace-------------------------------------------
17./[word]   Look down word string, Word mutable string
18.? [Word]  //Search up word string, Word variable string
19.N   //Repeat search down to find commands performed
20.N  Repeat search up to find commands performed
21.:n1,n2s/[char]/[char]/g //In N1,N2 line find word replace word2, and finally add C, prompt to replace

21.:1, $s/[char]/[char]/g//Replace in first line to last line

-----------------Delete-------------------------------------------
22.x    //Remove one character backwards
23.X    //delete one character forward
24[n]x/[n]x    //forward/backward removal of n characters
25.dd    //delete current cursor positive line
26.[N]DD    //delete n rows down
27.D1G  //Delete the current cursor to the first line
28.dG  //delete current cursor to last line
29.d$  //Delete the last character of the cursor line
30.d0  //Delete the first character of the cursor line

-----------------Copy/paste-------------------------------------------
31.yy   //Copy cursor line
32.[n]yy   //copy cursor down n rows
33.Y1G  //Copy first row of data
34.yG  //Copy last line
35.y0  Copy all data from the cursor to the first row
36.y$  //Copy all data from the cursor to the last row
37.P   //Paste on the previous line of the cursor
38.P   //Paste on the next line of the cursor
39.J  //merge cursor with Next line
40.u   //Restore previous operation
41.ctrl+r//Repeat Last action

42.. //Repeat Last action

43.:setnu  //Set line number
44.:set Nonu //Cancel line number
45.:w    //Save file but do not exit VI
46.:w!   Force save, do not exit VI
47.:wq  //Save file and Exit VI
48.:wq!   //Force save file and Exit VI
49.Q:   //Do not save files, exit VI
50.:q!   //Do not save file, Force exit VI
51.:e!   //Discard all changes and edit from the last save file

Linux VI edit Common key instructions