Vim commonly used commands: multi-line comments and multi-line deletions

Multi-line comments and multi-line deletion commands in vim. These commands are also commonly used tips, which can greatly improve work efficiency.

1. Multi-line comments:
1. First press esc to enter the command line mode, press Ctrl + v to enter the column (also called block) mode;
2. Use the up and down keys at the beginning of the line to select the multiple lines that need to be commented. OK;
3. Press the keyboard (capital) "I" key to enter insert mode;
4. Then enter the comment character ("//", "#", etc.);
5. Finally press the "Esc" key.
Note: After pressing the esc key, it will take a while for the comments to appear. Don’t worry~~ The time is very short

2. Delete multi-line comments:
1. First press esc to enter the command line mode, press Press Ctrl + v to enter column mode;
2. Select multiple lines to uncomment;
3. Press "x" or "d".
Note: If it is a "//" comment, it needs to be executed twice This operation, if it is a "#" comment, can be done once


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3. Delete multiple lines

1. First, In command mode, enter ":set nu" to display the line number;
2. Determine the line you want to delete by the line number;
3. Command input ":32,65d" and press Enter, lines 32-65 will be deleted. Yes, it’s very fast

If you accidentally delete something by mistake, you can use the 'u' key to restore it (in command mode)

Hurry up and give it a try!