The DOS manual disk operating system, Apple II.

Manylion Llyfryddiaeth
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	Manila National Book Store 1980.
Pynciau:	Apple II (Computer). Apple computer > Handbooks, manuals, etc. Computers > Handbooks, manuals, etc. Microcomputers > Handbooks, manuals, etc.