Title:
OS-9 Quick Reference and Programmer's Guide for The Tandy Color Computer
Author: F.G. Swygert
Year: 1994
Pages: 44

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(PDF)



Title:
OS-9 Quick Reference and Programmer's Guide for Professional OS-9/68000
Author: F.G. Swygert
Year: 1994
Pages: 60

Download
(PDF)

From the Introduction:

This little Quick Reference Guide was designed to get that manual off your desk and back on the bookshelf. It isn't, however, a replacement for the full manual. Only a brief description of commands and codes are given, sometimes no more than syntax for entering. Enough information is here to jog one's memory and get back on track, but the manual will still have to be referred to for learning and heavy duty programming chores.