How to Comment and Uncomment Multiple Lines in Vim


There are several ways you can comment and uncomment a range of lines in vim editor.

Commenting 


Method I (easiest)

Step 1: Make sure your are in command mode by pressing Esc key

Step2: Move your cusor to the start of the starting line of the block that you want to comment out
press Ctrl + v for visual mode and now press the down arrow key to select till the last line you wanna comment.

Step 3: Press upper case I (shift + i)
and type # or // for commenting depending on the programming language.
and finally press Esc key

wait a sec and it's done!

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