DOS

Reduced Memory Footprint; goals: match functions of MS-DOS 6.22, IBM PC DOS 7.00, DR-DOS 7 subset. Written mainly in 2 free C compilers and assembler, most parts are smaller uncompressed than compressed parts of MS, IBM, DR. [Open Source, BSD]

Makes: DR-DOS, compact, Y2K safe, good for embedded or thin-client systems, source code available, development kits, older and localized versions; and DRLX embedded Linux, load and run Linux programs from DR-DOS.

Goal: create free, documentation for the project, collaborate in all related issues, including How-to's and mini How-to's, hosting FreeDOS wiki.

A DOS based web browser and mail client created by IBM and marketed by third parties.

A collection of useful tools and utilities for the Lynx386 and Bobcat DOS text-based web browsers including a TSR for Mouse support, Trace Route, Telnet and MICQ, an ICQ client.

Details and example concerning TCP/IP and how to implement it and use it on a computer running MS-DOS.

A utility to sort Windows' long filenames on a disk.

An open source mouse driver for DOS. It's completely written in assembly for speed and small memory footprint. (Included with FreeDOS; works with others.)

DOS based shareware multimedia file viewer with native support for AVI, MOV and MPEG videos. Also plays MP3, WAV and many other file formats.

The DJGPP Frequently Asked Questions by Eli Zaretskii

Innovative workarounds and methods to accomplish tasks not generally covered in the manuals.

Will save the list of long file names and short names to a comma delimited ascii text file.

Slows running of DOS and Windows programs that are too fast on Intel-compatible CPUs and DOS emulators.

What it is, what it does, and how to use it. Chapter 2 from "Windows NT Shell Scripting", by Timothy Hill, Linda Engelman.