Basic use Vim

Three modes

• Press ESC to enter command mode
• Enter command mode Shift +; line mode to enter
• Insert command mode command input, such as (i, a, o) enters the input mode
  
  

enter

• vim filename
• vim directly edit a file, if the file already exists, then open the file, if there is no file, it will create a new file
• In Linux, the file extension is just a label, any file can be opened with vim, py file is, you can open files edited with vim
  
  

drop out

• wq: line mode, wq save and exit
• q: line mode, q to exit
• q !: line mode, q! Forced to exit without saving
  
  

Move the cursor

• gg: to file the first line
• G: The last line of the file
• ^: Non-space of the line
• 0: beginning of the line (the number 0)
• $: End of line
  
  

Input Mode

• i: from the cursor location insertion start
• I: First insert the current line
• a: the start position of the cursor from the rear input
• A: inserting the end of the current row
• o: a new row below the cursor line and the input mode
• O: the top row is inserted in the current
  
  

Copy and Paste

• yy: Copy whole line
• * Yy: * Copy the contents of the line
• yw: Copy the contents of the current cursor to end of word
• p: Paste
  
  

Undo

• In command mode: u
• u: Undo
• ctrl + r: Undo cancel (undo the last u)
  
  

delete

• Cut the paste can not be used as a deleted
• dd: Cut cursor line
• * Dd: * a shear line cursor
• dw: Cut a word
• x: Cut the character where the cursor
  
  

Block operation

• v: block selection
• ctrl + v: blockwise
  
  

Seek

• Enter the command mode: / search forward
• Enter the command mode:?, Search backwards
• n: look down
• N: Find up
  
  

Alternatively (line mode)

• : S / s1 / s2 in the current line is the first s2 s1
• : S / s1 / s2 / g in the current line is all s1 s2
• :% S / s1 / s2 / g to replace text of all the s1 s2