The system calls for process management are

Fork() > create child process

Vfork() > create child process (copy-on-write only)

exec() > exec to do a different task

wait() > wait for a process to complete execution

kill() > to send a signal to a process

signal() > to handle a signal

sigaction() > handle signal

exit() > exit from a process execution

_exit() > same as exit() but with out clean up

and many more ................