0 a set of programs that control the way a computer system works, especially how its memory is used and how different programs work together
1 the set of programs that a computer uses to operate, store files, and communicate with devices and other computers
2 a program that controls the way a computer works, and that allows applications (= programs for particular purposes) to work on it:
Applications based on this framework are shielded from any operating system dependence.
This appears to be caused by different installed sets of vendor-supplied operating system patches.
The read-eval-print loop approach fits neither of these categories because it acts as another operating system inside an operating system.
Another approach is to implement the desired concurrency directly, foregoing any time-sharing facilities provided by the operating system itself.
The initial basis is not large enough to write real programs that use nontrivial input/output, or that interact much with the operating system.
A small number only are exclusive to one or another operating system.
At the operating system level, standard process communication mechanisms are used to establish and maintain connections between processes.
The modelling of operating system structures is a real test for a specification method.
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(電腦的)操作系統…
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(计算机的)操作系统…
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sistema operativo…
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sistema operacional, sistema operativo…
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bilgisayar yazılım sistemi…
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système d’exploitation…
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operační systém (poč.)…
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operativsystem, styresystem…
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