VS Code Commenting Shortcuts

On MacOSX (as for September 11, 2017)

Key     Command

⌘K ⌘C   Add Line Comment    
⌘K ⌘U   Remove Line Comment 
⌘/      Toggle Line Comment 
⇧⌥A     Toggle Block Comment

 

On Linux (tested on Ubuntu)

Key     Command

Ctrl+/      Toggle Line Comment 
Ctrl+Shift+A     Toggle Block Comment

 

Credits: https://stackoverflow.com/questions/34316156/how-to-comment-multiple-lines-in-visual-studio-code#34317039