1.

What are system calls used for process management in Linux?

Answer»

Service Calls PROVIDE a FEATURE to use operating system services. It provides an interface between the process and the operating system for better functionality and requirements. System calls are not for beginners, it needs some level of expertise to use. System call provides additional control over the system. Processes are the most basic unit on Linux System and process management need some system calls in Linux, some of them are:-

System calls
Explanation
Fork
Creates a new process
Exec
Execute the program
Wait
Force process to wait
Exit
Exit/terminate the process
Clone
Creates CHILD Process
Exit_Group
Exit/terminate all threads in the process
Nice
Change the PRIORITY of the running process
Getppid
Find parent ID of the process
Vfork
Create Child Process and block parent


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