DOS / Other
EN
DOS Internals Book Floppy Disk
Disk included with the book DOS Internals by Geoff Chappell
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DOS / System
EN
Undocumented DOS - Schulman 2ed Second Edition
This is the diskette that accompanied Andrew Schulman's "Undocumented DOS" 2nd edition. Covers up to MSDOS 6, with some coverage of Windows 3.1. The text is available at archive.org
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Windows 3.x / System
EN
Undocumented Windows 1 Ed?
This is the diskette that accompanied Andrew Schulman's "Undocumented Windows". Published in 1992. The text is available at archive.org.
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