Multi-line comments in Xcode

Question

Is there a way to comment various lines at the same time in Xcode IDE? Selecting which lines to comment, then clicking somewhere et voilá.. the /* ... */ characters wrapping the code.

Thank you.

Answer 1

Command + Shift + 7

or

Command + /

This inserts // in front of every selected line.

Answer 2

Xcode Version 6.1

Shortcuts:

To Comment: Select the code to be comment, ⌘ + /

To uncomment: Select the code an press ⌘ + /

Also see taskbar Editor>Structure "(un)Comment Selection" as user 2137640 pointed out.