Master the key VIm command to resolve the bug, change the configuration file, check the log, explain %99 embarrassing disease!

I want to insert (normal –> insert mode) :

  • I: Insert the cursor at the beginning of the line
  • A: Start at the next position where the cursor is currently located
  • A: Insert at the end of the line where the cursor is
  • O: Insert a line under the cursor
  • O: Insert a line on the cursor

Two, repeated horizontal jump (move cursor in normal mode) :

  • Ctrl+ F: Scroll down one page
  • H: Move the cursor left
  • L: Move the cursor right
  • J: Move the cursor down
  • K: Move the cursor up
  • Ctrl+ B: Move one page up
  • Ctrl+ E: Scroll down
  • Ctrl+ Y: Scroll up
  • G: Move to the top line of the file
  • Gg: moves to the end of the file line, equivalent to 1 GB
  • H moves to the top line of the screen
  • M moves the cursor to the middle row of the screen
  • L Move the cursor to the bottom line of the screen
  • 0: moves to the top of the line
  • $: moves to the end of the line
  • W: The cursor jumps to the beginning of the next word
  • E: The cursor jumps to the end of the next word
  • B: The cursor goes back to the beginning of the last word

Find and Replace (command mode)

  • /Ame: Looks down for a string named Ame. N, find the next n, find the last one
  • ? Ame: Looks up a string named Ame. N, n
  • :n1,n2s/Ame/FlyFly/g: Look for this string between lines n1 and n2 and replace it with FlyFly.
  • $s/Ame/FlyFly/g: look for the string Ame and replace it with FlyFly.
  • The same goes for % s/Ame/FlyFly/g
  • :1,$s/Ame/FlyFly/gc: prompt user when replacing

Iv. Delete, Copy and paste:

  • X, x: In a line of text, x is to delete one character backward (equivalent to the [Del] key), x is to delete one character forward (equivalent to [Backspace])
  • Dd: Deletes the entire line where the cursor is
  • Dw: Deletes the previous word
  • D $: Deletes the cursor to the end of the line
  • NDD: deletes n rows down where the cursor is
  • Yy: Copies the line where the cursor is located
  • Nyy: Copies the cursor n rows down
  • P, p: p indicates that the copied content is pasted to the cursor. P indicates that the copied content is pasted to the line above the cursor
  • U: Undo operation
  • Ctrl+ R: Redo the previous action. (Can be used to reverse undo)
  • R: Replaces a character at the cursor position
  • R: Replaces the characters around the cursor until “ESC” is pressed
  • J The current line joins the next line

Full text delete: Press ESC, then gg (to top), then dG

Full text copy: Press ESC, then gg, then yG

V. In command mode:

  • Set nu: lists the row number
  • Set nonu: Unlists line numbers
  • Set IC: Ignore case when searching
  • Set noic: Desist from ignoring case in search
  • N: Jumps to a line in the file. N indicates a number. For example, enter the number 15 and press Enter to jump to the 15th line
  • ! PWD: Run the shell command PWD

Visual mode

  • Character mode V (lowercase)
  1. Copy, delete and paste. After selecting the highlighted text, the operation is the same as normal mode
  2. Modification. Select the highlighted text and press C to delete and enter insert mode
  • Line mode V (uppercase)
  1. The indentation. Hold down the > and < keys to move the code block to the right or left.
  2. Copy, delete and paste. After selecting the highlighted text, the operation is the same as normal mode
  • Block mode Ctrl + V
  1. The indentation. Same as above
  2. Copy, delete and paste. After selecting the highlighted text, the operation is the same as normal mode
Application in visual mode:

  1. Copy, delete and paste. After selecting the highlighted text, the operation is the same as normal mode

  2. Modification. Select the highlighted text and press C to delete and enter insert mode

  3. The indentation. Hold down the > and < keys to move the code block to the right or left.

  4. Case conversion. Press U to capitalize the selected content – press U to write the selected content smaller – press ~ to flip the size.

  5. Add (remove comments), often used for configuration file management.

    (1) Add batch annotations. CTRL + V to enter block mode, move the cursor down or up to mark the beginning of the line you want to comment, then press uppercase I(Shift + I), insert a comment character such as “#”, and press Esc twice to comment it all.

    (2) Batch remove comments. CTRL + V to enter block mode, horizontally select the number of columns (such as the “#” comment symbol) and press D to remove the comment symbol.

Seven, code block application

  • % jumps to the matching parentheses
  • > increase indentation
  • < reduce indentation
  • {skip to the beginning of the previous paragraph
  • } Skip to the beginning of the next paragraph
  • Move to the beginning of the sentence
  • ) Move to the beginning of the next sentence
  • Ctrl+] jumps to function, variable definition
  • Ctrl+ O returns to the jump position
  • “Jump to the last place the cursor docked, two, not one.”
Master key VIm commands:
  1. Bookmark this article
  2. Install the Vim plugin on your existing editor
  3. Practice! Practice! Practice!

Feel free to point out any shortcomings in the comments section.

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