Operating Systems
- 501
- HexEd
- Small hexadecimal editor with turbo vision style interface, which is consistent on all platforms. DOS version listed under the "old" downloads section.
- 502
- Interesting DOS programs
- A collection of links to mostly freeware DOS programs. Includes sound, graphics, screen savers, utilities, programming tools, and DOS alternatives.
- 503
- JHB: My Programs
- DOS programs written by J.H. Bass: ASCII reference table, Browser to search for and uncompress Zip files, electronic calendar, electronic piano, math tutor, games: Hangman, Ludo, Rescue, Five in a Row.
- 505
- PCOS Development HQ
- Presents this open source project whose goal is to release a shell (command.com replacement) for any flavor of DOS.
- 506
- Seal
- A DOS GUI similar to GEM, OS/2, and Windows. Designed for DOS programmers and users alike. If you do much programming for DOS, this GUI makes it easier for you.
- 507
- Jaqui's Papers & Presentations
- 10 years of technical conference papers and presentation notes by Jacqui Lynch of Circle4 Consulting. Performance, capacity planning and security, including VSAM, z/OS, Linux, TCP/IP and storage management.
- 510
- Mainframes.com
- Mainframe programming information, including a large dictionary and links to downloads and manuals.
- 511
- Mike Murach's Mainframe Books
- Publisher of books on COBOL, DB2, CICS, z/OS JCL, TSO, VSAM, IMS, and VSE/ESA. Sample chapters and code can be downloaded.
- 512
- Sysprog.net
- News, programming tips and technical information for z/OS and mainframe Linux applications and systems programmers.
- 514
- Multicians.org
- Multics was the acronym for "Multiplexed Information and Computing Service" - a mainframe timesharing operating system begun in 1965 and used up until 2000. Although this was the immediate forerunner of the Unix operating system, it was also in many ways its antithesis.
- 515
- Honeywell DPS8
- Brief technical information on the DPS8 platform used to run the Multics OS, plus links.