Apple DOS 3.3 Basics and System Manager Floppy Disks
physical object
Identifier
2025.18.80
Description
Apple DOS 3.3, released in August 1980, was a critical update for the Apple II series that increased storage capacity to 140 KB per diskette. It allowed for improved switching between Integer and Applesoft BASIC and was designed to support the Disk II drive.
Related Term
Floppy disks (is described by)