Can I change the minimize button action to 'hide' instead of default minimize in mac?

Question

I'd like that the yellow button at the top left corner of a window will hide it - without keeping an extra window icon at the dock.

Answer 1

Firstly, just a heads-up, ⌘H will hide the active application.

Since you mentioned that you'd like to keep the application from adding an extra icon to the dock when you minimize, this is a solution.

Visit System Preferences -> Dock and check the box labeled "Minimize windows into application icon". Checking this option produces the obvious result leaving you with less dock icons when applications are minimized.