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Software. Operating systems, https://coggle.it/diagram/Y3UTt2qS3BdY6LWj/t/…
Software. Operating systems
There are two main types of Operating Systems
Single-user OS
A type of OS which allows only one user at a time
Multi-user OS
A type of OS which allows multiple users to access the single system with one OS on it
Operating Systems - In 1960s
1961: The dawn of minicomputers
1962: Compatible Time-Sharing System (CTSS) from MIT
1963: Burroughs Master Control Program (MCP) for the B5000 system
1964: IBM System/360
1960s: Disks became mainstream
1966: Minicomputers got cheaper, more powerful, and really useful.
1967-1968: Mouse was invented.
1964 and onward (далее): Multics
1969: The UNIX Time-Sharing System from Bell Telephone Laboratories.
Evolution of operating systems.
Operating Systems - Late 1950s
By the late 1950s Operating systems were well improved and started supporting following usages:
It was able to perform Single stream batch processing (Однопоточная пакетная обработка).
It could use Common, standardized, input/output routines for device access.
Program transition capabilities to reduce the overhead of starting a new job was added.
Error recovery to clean up after a job terminated abnormally was added.
Job control languages that allowed users to specify the job definition and resource requirements were made possible
https://coggle.it/diagram/Y3UTt2qS3BdY6LWj/t/-/3a6e93eaf0052ec5a7d5a785278f07551b15bcb2af0981619fdd151c5a2c1190