Microsoft MS-DOS6 User Guide

Historical manual for those interested in computing. This manual shows signs of its time, it's from 1993. I deliver in person in Porto. Let me know your availability.. MS-DOS, Windows 3.1, Windows 95, Windows 98, Windows XP, Linux (including popular distributions such as Ubuntu, Red Hat, Fedora), MacOS (starting from Mac OS 7), Unix (including variants such as AIX, Solaris, HP-UX), OS/2 (developed by IBM and Microsoft), AmigaOS (used on Amiga computers), BeOS, Commodore 64 (for personal computers), Atari TOS (for Atari ST computers).