SHARE_Operating_System

SHARE Operating System

SHARE Operating System

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The SHARE Operating System (SOS) is an operating system introduced in 1959 by the SHARE user group. It is an improvement on the General Motors GM-NAA I/O operating system, the first operating system for the IBM 704. The main objective was to improve the sharing of programs.

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The SHARE Operating System provided new methods to manage buffers and input/output devices. Like GM-NAA I/O, it allowed execution of programs written in assembly language.

SOS initially ran on the IBM 709 computer and was then ported to its transistorized successor, the IBM 7090.

A series of articles describing innovations in the system[1] appears in the April 1959 Journal of the Association for Computing Machinery.

In 1962, IBM discontinued support for SOS and announced an entirely new (and incompatible) operating system, IBM 7090/94 IBSYS.

See also

References

  1. [1]
    Alt, Franz Leopold, ed. (1959-07-03) [April 1959]. "(various)". Journal of the ACM. 6 (2). New York: Association for Computing Machinery. ISSN 0004-5411.

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