Question

Q 1 what is an operation system??????
Q 2 what is system call??????

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Answer 1

Explanation:

system call is a mechanism that provides the interface between a process and the operating system. It is a programmatic method in which a computer program requests a service from the kernel of the OS.

Answer 2

Answer:

1) What is an operating system? An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.

2) In computing, a system call (commonly abbreviated to syscall) is the programmatic way in which a computer program requests a service from the kernel of the operating system on which it is executed. ... System calls provide an essential interface between a process and the operating system

Explanation:

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