https://manpages.ubuntu.com/manpages/questing/de/man2/setpgid.2.html
Ubuntu Manpage: setpgid, getpgid, setpgrp, getpgrp - Prozessgruppe setzen/holen
Prozessgruppe setzen/holen
ubuntumanpagesetpgidgetpgidsetzen
https://manpages.ubuntu.com/manpages/questing/man2/setpgrp.2.html
Ubuntu Manpage: setpgid, getpgid, setpgrp, getpgrp - set/get process group
set/get process group
ubuntumanpagesetpgidgetpgidprocess
https://www.php.net/manual/pt_BR/function.posix-setpgid.php
PHP: posix_setpgid - Manual
Define o ID do grupo de processos para o controle de tarefas
phpposixsetpgidmanual
https://manpages.ubuntu.com/manpages/resolute/man2/getpgrp.2.html
Ubuntu Manpage: setpgid, getpgid, setpgrp, getpgrp - set/get process group
set/get process group
ubuntumanpagesetpgidgetpgidprocess
https://manpages.ubuntu.com/manpages/questing/man2/getpgid.2.html
Ubuntu Manpage: setpgid, getpgid, setpgrp, getpgrp - set/get process group
set/get process group
ubuntumanpagesetpgidgetpgidprocess