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Glossary of Multics acronyms and terms. Entries by Tom Van Vleck ([THVV]) unless noted. Please post additions or corrections to alt.os.multics, or mail them to
Tom Van Vleck.
Index| A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z
- X.25
- [MTB-607] Communications protocol supported by Multics in MR 10.0.
- xforum, xmail
- [BWS] These were "Executive" versions of the forum and mail commands. That is, they were menu-driven interfaces, slow and simple. Unbundled products released im MR 11.0.
- XR
- [BSG] Index Register. The 645 and 6180 each had eight of them. Containing only 18 bits, they cannot contain pointers when used in a Multics environment. See ABR.
- XRAY
- Jerry Grochow's tool for debugging 645 Multics. Consisted of a PDP-8/338 on the fifth floor of Tech Square, linked to a special GIOC channel by a 2400 baud phone line. The channel was in a send/receive loop, and the PDP8 sent address ranges to the GIOC, received the contents, and displayed them on its tube.
- XTS200
- Honeywell product name for a "second generation SCOMP". Ran on the DPS6plus hardware. Received a B3 Orange Book rating.
- XTS300
 Wang Government Services inherited the XTS200 from Honeywell Federal Systems and ported it to a PC platform. It has a B3 rating like its prececessor.
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