Unix Interview Questions and Answers


List the system calls used for process management in UNIX?

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

Posted by:Richards