Software made by Quantum Software Systems Ltd.

Unix / OS

EN

QNX 2.21 for AT and PS2

QNX is a compact Unix-like real-time operating system primarily used in embedded devices. This release is for IBM AT (286+) and IBM PS/2 systems or compatibles. There is a different 2.2 release that supports IBM PC/XT computers with 8088 CPUs and comes on 360k disks. This is the 1.44mb floppy disk release.

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DOS / OS

EN

QNX Demo 1989

This is an early Demo version of QNX that runs on an 8088 or 286. Contains one 360k (5.25") floppy disk image. This disk does not use a DOS file system.

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DOS / Utility

EN

Zero Fill Utility 1.01 1.01

Zero fill format HD

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