Vim Editor---Bulk comments and anti-annotations

Reminder: VI Edit does not support multi-line comments, be sure to use vim

1. Multi-line Comment:

1. First press ESC to enter command line mode, press CTRL + V to enter the column (also known as block) mode;

2. Use the upper and lower keys at the beginning of the line to select multiple lines needing comments;

3. Press the keyboard (uppercase) "I" key to enter the insertion mode;

4. Then enter the comment symbol ("//", "#", etc.);

5. Finally press the "ESC" key.
Note: After pressing the ESC key, will wait a moment to appear the comment, do not worry ~ ~ Time is very short

2. Delete multiple lines of comments:

1. First press ESC to enter command line mode, press CTRL + V to enter the column mode;

2. Select multiple lines to uncomment;

3. Press "X" or "D".
Note: If it is a "//" comment, it needs to be done twice, if it is a "#" comment, once

Vim Editor---Bulk comments and anti-annotations