استفسار عن الدوال

print_r,posix_setsid,posix_getgid,posix_getuid,posix_getsid,posix_getcwd,posix_getpid,posix_setgid,posix_setuid,posix_getppid,posix_setpgid,posix_setegid,posix_getpgrp,posix_getpgid,posix_seteuid,posix_geteuid,posix_getegid,posix_getgrnam,posix_getgrgid,posix_getpwuid.posix_getloginposix_setsid,posix_getgid,posix_getuid,posix_getsid,posix_getcwd,posix_getpid,posix_setgid,posix_setuid,posix_getppid,posix_setpgid,posix_setegid,posix_getpgrp,posix_getpgid,posix_seteuid,posix_geteuid,posix_getegid,posix_getgrnam,posix_getgrgid,posix_access,highlight_file,dl,exec,sscanf,tempnam,shell_exec,system,passthru,popen,pclose,proc_open,proc_nice,proc_terminate,proc_get_status,proc_close,leak,apache_child_terminate,posix_kill,posix_mkfifo,posix_setpgid,posix_setsid,posix_setuid,escapeshellcmd,escapeshellarg,popens,show_source,filegetcontents,virtual,get_dir,posix_uname,posix_getpwuid,posix_getuid,myshellexec,get_current_user,fileperms,filegroup,fileowner,_posix_getgrgid,_posix_getpwuid,getmyuid,getmygid,curl_exec,symlink,ini_restore,error_log,disk_total_space,diskfreespace,mysql_list_dbs,glob,chown,chgrp,dir,posix_access,ini_get