P, newproc, muxnewwind, newwindow, tolayer, debug, getproc, getproctab, putname, getname \- jerq process control newproc(9) _exit, wait wait3 \(mi terminate process, wait for child to terminate exit(2) abort \- generate a fault abort(3) environ \- user environment environ(5) execl, execv, execle, execve, execlp, execvp, exect \(mi execute a file exec(2) exit, onexit \(mi terminate process exit(3) fork \(mi spawn new process fork(2) getuid, getgid, geteuid, getegid, getlogname, getpid, getppid, getpgrp, setuid, setgid, setruid, setlogname, setpgrp \(mi get or set user, group, or process identity getuid(2) perror, sys_errlist, sys_nerr \(mi system error messages perror(3) proc \- process file system proc(4) request, own, wait, alarm, sleep, nap, kbdchar, rcvchar, realtime, sendchar, sendnchars, kill, exit \- 5620 input/output requests request(9) setjmp, longjmp \(mi non-local goto setjmp(3) signal, kill \(mi receive and send signals signal(2) system \(mi issue a shell command system(3)