shift + alt + down vs code clone code example

Example 1: VScode duplicate line

//------------ How to duplicate lines of code? --------------//

-> Windows:

Shift + Alt + Down   and   Shift + Alt + Up

-> Mac:

Shift + Option + Down   and   Shift + Option + Up

-> Linux:

Ctrl + Shift + Alt + Down   and   Ctrl + Shift + Alt + Up

Example 2: vscode shortcut to delete line

Mac OS : Command + X  or Command + Shift + K