Siris 8

Siris 8 is a discontinued operating system developed by the French company CII for its Iris 80 and Mitra 15 computers. It was later replaced by Honeywell DPS 7.

Iris 80 computer at the Institut universitaire de calcul automatique de Lorraine (IUCAL) in Nancy in 1977.

Jean Ichbiah 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.

The first version of Siris 8 offered full compatibility with applications running on its predecessor Siris 7.[1] Among its strong points were its excellent memory management, which took advantage of the extended virtual addresses and spaces of the Iris 80.

Siris 8 was suitable for both scientific and business computing, as well as real-time applications.[2]

The first delivery of the uniprocessor version occurred in February 1972, and the dual-processor version in September 1972 for the French Atomic Energy Commission (CEA) Commissariat à l'énergie atomique.[1] Siris 8 also included Transiris, networking software for transporting data to other computers.

After the CII merger with Honeywell-Bull, the functionality of Siris was adapted for the GCOS system through an emulation processes, which made it possible to retain all of the Siris 8 customers.

References
  1. Siris 8, sur Feb Patrimoine, site de la Fédération des équipes de Bull
  2. Iris 80, sur Feb Patrimoine, site de la Fédération des équipes de Bull


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