Siris 8

Siris 8 is a discontinued operating system developed by the French company CII for its Iris 80 and Mitra 15 computers.

[1] Among its strong points were its excellent memory management, which took advantage of the extended virtual addresses and spaces of the Iris 80.

[1] Siris 8 also included Transiris [fr], networking software for transporting data to other computers.

"[3] It operated in four separate modes:[4] The Siris 8 monitor consisted of a permanently resident portion and pageable segments.

Batch jobs could be entered through the local or a remote card reader, or by the console operator.