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What is a System Call. Explain any four system calls.
written 7.2 years ago by gravatar for devikaraniroy devikaraniroy • 640 modified 3.3 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
operating systems
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written 7.1 years ago by gravatar for devikaraniroy devikaraniroy • 640 modified 7.0 years ago by gravatar for sanketshingote sanketshingote • 100

System calls provide an interface to the services made available by an operating system. We know that there are two main modes in the operation of the system, that is the user mode and kernel mode.

• User mode: All user processes are executed.

• System mode: All privileged operations …

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