3-letter words that end in os
- aos — 1. (programming) /aws/ (East Coast), /ay-os/ (West Coast) A PDP-10 instruction that took any memory location and added 1 to it. AOS meant "Add One and do not Skip". Why, you may ask, does the "S" stand for "do not Skip" rather than for "Skip"? Ah, here was a beloved piece of PDP-10 folklore. There were eight such instructions: AOSE added 1 and then skipped the next instruction if the result was Equal to zero; AOSG added 1 and then skipped if the result was Greater than 0; AOSN added 1 and then skipped if the result was Not 0; AOSA added 1 and then skipped Always; and so on. Just plain AOS didn't say when to skip, so it never skipped. For similar reasons, AOJ meant "Add One and do not Jump". Even more bizarre, SKIP meant "do not SKIP"! If you wanted to skip the next instruction, you had to say "SKIPA". Likewise, JUMP meant "do not JUMP"; the unconditional form was JUMPA. However, hackers never did this. By some quirk of the 10's design, the JRST (Jump and ReSTore flag with no flag specified) was actually faster and so was invariably used. Such were the perverse mysteries of assembler programming. 2. (operating system) /A-O-S/ or /A-os/ A Multics-derived operating system supported at one time by Data General. A spoof of the standard AOS system administrator's manual ("How to Load and Generate your AOS System") was created, issued a part number, and circulated as photocopy folklore; it was called "How to Goad and Levitate your CHAOS System". 3. (operating system) Algebraic Operating System, in reference to those calculators which use infix operators instead of postfix notation.
- bos — 1. (operating system) Basic Operating System. 2. (tool) A data management system written at DESY and used in some high energy physics programs. 3. (programming) The Basic Object System.
- cos — one of the Greek Dodecanese Islands in the SE Aegean Sea, off the SW coast of Turkey. 111 sq. mi. (287 sq. km).
- dos — any of several single-user, command-driven operating systems for personal computers, especially MS DOS.
- eos — the winged goddess of the dawn, the daughter of Hyperion
- fos — fructooligosaccharide: a chain polymer of fructose found in a variety of plants, vegetables, and fruits and used as a sweetener
- hos — Plural form of ho.
- ios — a small hawk, Buteo solitarius, having two plumage phases and occurring only on the island of Hawaii, where it is a rare species and the only living indigenous bird of prey.
- jos — a female given name, form of Josephine.
- kos — a unit of land distance of various lengths from 1 to 3 miles (1.6 to 4.8 km).
- los — approval
- mos — Metal Oxide Semiconductor
- nos — network operating system
- oos — Plural form of oo.
- pos — a chamber pot.
- qos — quality of service
- sos — sol1 .
- tos — the contract for acceptable use of digital media as defined by the developer. Abbreviation: TOS, ToS.
- vos — (operating system) An operating system used in Stratus computers. See also FTX.
- wos — Eye dialect of was.
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