Basic use of vim - bottom line mode

vim bottom line mode command set

Before using the last line mode, please remember to press the "ESC" key to make sure you are in normal mode, and then press the ":" colon to enter the last line mode

• List line numbers
  • “set nu”: Entering “set nu” will list the line number before each line in the file
  • set nonu:cancel line number
• Jump to a line in the file
  • “#”: The “#” sign represents a number, enter a number after the colon, and then press the Enter key to jump to the line, such as entering the number 15,
    Press Enter again, it will jump to the lineto line 15 of the article
• Find character
  • "/Keyword": Press the "/" key first, and then enter the character you want to find. If the keyword you are looking for the first time is not what you want, you can keep pressing
    "n" will go backFind the keyword you want.
  • "?Keyword": Press the "?" key first, then enter the character you want to search for, if the keyword you are looking for is not what you want, you can keep
    Press "n" to go forwardFind the keyword you want.
• Save the file
  • "w": Enter the letter "w" in the colon to save the file
• Leaving vim
  • "q": Press "q" to exit, if you can't leave vim, you can forcefully leave vim after "q" followed by a "!"
  • "wq": It is generally recommended to use it with "w" when leaving, so that the file can be saved when exiting
• Force turn !
  • w! Force Quit
  • wq! Force save and exit
  • q! Force save
• vs file: multi-file operation [ctrl+w+w]

---

How to split screen left and right:

In the bottom line mode, vs file name can be continuously split screen, split screen to the left, if the file name after vs does not exist, it will be created by default and then opened

How to switch screens quickly:

Press ctrl +w +w

in bottom line mode

Where the cursor flashes, it means which file is selected. Enter wq in the bottom line mode of the file to save and exit, and the other file is retained.

---

Bulk Annotation and Bulk De-annotation

Batch comments:

In command mode: ctrl + v Then use l,j,k,h to select the area, then press the capital I,will jump to the first position, enter the // comment, then press the esc key

Batch de-comment:

In command mode: ctrl + v Then use l,j,k,h to select the area, note: to select two // then lowercase i, then d

---