Original sentence: When Mac OS first interface was only black and white in 512x342 fixed resolution and Atari TOS first color interface presented fixed aspect icons, the AmigaOS Workbench was certainly ahead of its time
Edited sentence: In comparison to the competing Mac OS and Atari, the AmigaOS Workbench was certainly ahead of its time.This is in contrast to the 512x342 black and white interface presented by the Mac, and the fixed aspect icons presented by Atari