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280:. The system maintained three types of queues of work. The multiprogramming queue could run multiple jobs at a time, with jobs scheduled by priority. One to five Operational queues (
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worked at CII on the rewrite of the Siris 7 operating system of the Iris 80 to create a more successful version, used to operate a three processor Iris 80 in Évry.
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The first version of Siris 8 offered full compatibility with applications running on its predecessor Siris 7. Among its strong points were its excellent
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Real-time jobs had access to special system services such as "witching from slave mode to master mode and vice versa, time delays, abort recoveries."
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was added in 1975, Siris 8 was described as having "two core partitions... one for resident 'batch' tasks, one for swapped time-shared tasks."
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processes, which made it possible to retain all of the Siris 8 customers. The final version of Siris 8, C10, was shipped in 1976.
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could be started and stopped by the operator. A timesharing job was started by the DEMON task, which performed all terminal
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The virtual address space available to the user could be up to 32 segments of 128 K (32-bit) words, or 16 MB.
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The Siris 8 monitor consisted of a permanently resident portion and pageable segments.
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Siris 8 description from the original commercial brochure, Fédération des
Equipes Bull
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ANSS '75: Proceedings of the 3rd symposium on
Simulation of computer systems
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Institut universitaire de calcul automatique de
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Transaction processing was performed by a subsystem called
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and business computing, as well as real-time applications.
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46:. Unsourced material may be challenged and removed.
219:, the functionality of Siris was adapted for the
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268:could be entered through the local or a remote
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249:Batch processing comprising, local and remote
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187:version occurred in February 1972, and the
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106:Learn how and when to remove this message
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368:"CII Iris 80: Description de Siris 8"
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245:It operated in four separate modes:
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372:Virtual Museum of French computers
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191:version in September 1972 for the
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348:Boi, L; Martin, R (August 1975).
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193:French Atomic Energy Commission
31:needs additional citations for
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474:Discontinued operating systems
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283:Files d'attente d'exploitation
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176:Siris 8 was suitable for both
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422:. You can help Knowledge by
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173:and spaces of the Iris 80.
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215:After the CII merger with
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270:card reader
206: [
463:Categories
303:References
266:Batch jobs
178:scientific
66:newspapers
225:emulation
203:Transiris
151:Honeywell
55:"Siris 8"
294:STRATEGE
147:Mitra 15
141:for its
96:May 2023
377:May 27,
333:Iris 80
321:Siris 8
235:Before
143:Iris 80
131:Siris 8
80:scholar
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154:DPS 7
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139:CII
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