pcntl_exec,show_source,backtick,dl,copy,error_log,tempnam,curl_init,system,passthru,exec,popen,proc_ close,proc_get_status,proc_nice,proc_open,proc_terminate,shell_exec,highlight_file,pclose,pfsockopen ,chmod,debugger_off,debugger_on,leak,ftp_exec,posix_uname,getmyuid,getmygid,posix_kill,posix_mkfifo, chgrp,listen,define_syslog_variables,,posix_getpwuid,get_current_user,apache_child_terminate,posix_s etpgid,posix_setsid,posix_setuid,getservbyport,getservbyname,myshellexec,escapeshellarg,cmd,virtual