Node:Process ID Information, Next:, Previous:Controlling Subprocesses, Up:System Utilities



Process, Group, and User IDs

pgid = getpgrp () Built-in Function
Return the process group id of the current process.

pid = getpid () Built-in Function
Return the process id of the current process.

pid = getppid () Built-in Function
Return the process id of the parent process.

euid = geteuid () Built-in Function
Return the effective user id of the current process.

uid = getuid () Built-in Function
Return the real user id of the current process.

egid = getegid () Built-in Function
Return the effective group id of the current process.

gid = getgid () Built-in Function
Return the real group id of the current process.