Question

To access the services of os the interface is provided by

Answer 1

To access the services of operating system, the interface is provided by the a) system calls b) API c) library d) assembly instructions ...

Answer 2

Answer:

To access the services of OS the interface is provided by System calls

Explanation:

“System call acts as a bridge between the user and the operating system”. Whenever the user place the request to execute a process, a system call is generated to interact with the Kernel of the operating system and OS executes and returns the result to the user.

There are 5 different system calls in OS. They are Process control, File management, Device management, Information maintenance and communication.

Eg. of System calls: CreateProcess(), WriteFile(), ReadConsole(), etc.