This is the latest 16 bit operating system for Apple IIGS computers, on six disks that contain all of the software you need to actually run your Apple IIGS. There is no documentation included.
Use this operating system if you have an Apple IIGS computer and want to run Apple IIGS specific programs. We recommend this version if you are using 2M or more of RAM and a hard drive. If you are using less than 2M of RAM or do not have a hard drive we recommend using System 5.0.4. System 5.0.4 is a bit older, but it is also smaller.
Six 3.5″ disks
Apple IIgs with ROM 01 or ROM 3
1.125 MB RAM, 2 MB or greater preferred
One 3.5″ floppy drive, hard disk recommended