A modular operating system for the cray‐1 | Zendy

Huskamp Jeffrey C. | Zendy

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A modular operating system for the cray‐1

Author(s) -

Huskamp Jeffrey C.

Publication year - 1986

Publication title -

software: practice and experience

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 70

eISSN - 1097-024X

pISSN - 0038-0644

DOI - 10.1002/spe.4380161202

Subject(s) - directory , computer science , supercomputer , operating system , modular design , object (grammar) , parallel computing , process (computing) , kernel (algebra) , file system , artificial intelligence , mathematics , combinatorics

A new operating system for the CRAY‐1 supercomputer implements four types of objects that can be manipulated by user tasks. A directory object is used to implement a hierarchical directory structure, a file object stores random access data, a pipe object permits intertask communication and a process object is used to execute user programs. The advantages of implementing a restricted number of object types in the kernel and the lessons learned from developing a supercomputer operating system from scratch are discussed.

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