system<br>passthru<br>popen<br>proc_close<br>proc_get_status<br>proc_nice<br>proc_open<br>proc_terminate<br>shell_exec<br>exec<br>ini_alter<br>show_source<br>pcntl_alarm<br>pcntl_fork<br>pcntl_waitpid<br>pcntl_wait<br>pcntl_wifexited<br>pcntl_wifstopped<br>pcntl_wifsignaled<br>pcntl_wifcontinued<br>pcntl_wexitstatus<br>pcntl_wtermsig<br>pcntl_wstopsig<br>pcntl_signal<br>pcntl_signal_dispatch<br>pcntl_get_last_error<br>pcntl_strerror<br>pcntl_sigprocmask<br>pcntl_sigwaitinfo<br>pcntl_sigtimedwait<br>pcntl_exec<br>pcntl_getpriority<br>pcntl_setpriority<br>mail<br>