supplementary group IDs using getgroups (2). A child process created by fork (2) inherits copies ... execve (2), faccessat (2), fork (2), getgroups (2), getpgrp (2), getpid (2), ge…POSIX.1-2008 getegid (2) geteuid (2) getgid (2) getgroups (2) getpeername (2) getpgrp (2) getpid