https://openwall.com/lists/oss-security/2018/01/04/3
oss-security - CVE-2017-18018: GNU chown and chgrp (coreutils) privilege escalation via recursive...
https://www.educba.com/linux-chgrp/
Linux Chgrp | Learn How does Linux Chgrp Command Works?
Apr 14, 2023 - Guide to Linux Chgrp. Here we discuss How does Linux Chgrp Command works and Examples along with the command and outputs.
learn howlinuxchgrpcommandworks
https://www.php.net/manual/pt_BR/function.chgrp.php
PHP: chgrp - Manual
Altera o grupo do arquivo
phpchgrpmanual
https://www.drupal.org/node/2955675
chgrp during provision strips off setgid directory bit [#2955675] | Drupal.org
Apr 26, 2018 - So I was wondering why setgid directories weren't working properly during provisioning. I realized just now that it's because provision is calling chgrp. POSIX...
chgrpprovisionstrips
https://www.w3schools.com/Php/func_filesystem_chgrp.asp
PHP chgrp() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpchgrpfunction
https://cygwin.com/pipermail/cygwin/2008-September/169062.html
file attributes: cygwin (ls, chmod, chown, chgrp) versus XP
file attributescygwinlschmodchown
https://www.man7.org/linux/man-pages/man1/chgrp.1.html
chgrp(1) - Linux manual page
chgrp1linuxmanual