List the system calls used for process management

System calls Description
• fork() To create a new process
• exec() To execute a new program in a process
• wait() To wait until a created process completes its execution
• exit() To exit from a process execution
• getpid() To get a process identifier of the current process
• getppid() To get parent process identifier
• nice() To bias the existing priority of a process
• brk() To increase/decrease the data segment size of a process.

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