program performs the analogous tasks using setegid (2), setregid (2), or setresgid (2). A process ... saved-set) user (group) IDs. seteuid (2) ( setegid (2)) Modify the process's e…following functions are affected: exec () kill () seteuid () setegid () setgid () setuid () SEM - _POSIX_SEMAPHORES - _SC_SEMAPHORESprovided for setgid (2), setuid (2), setegid (2), seteuid (2), setregid (2), setreuid (2), setresgid