Screen Shots on Mac

Screen shots - MacOS 7, or earlier

To make a "screen shot" on a computer running MacOS versions 7.x, or earlier:

Screen shots - MacOS 8

To save a picture of part of the screen in a PICT file, press Command+Shift+4. (Command = the "apple" or "curly-H" key).

Now, drag across the part of the screen you want to make into a picture.

To constrain the capture area to a square, keep the Shift key pressed as you drag.