https://dev.to/zachgoll/users-groups-and-permissions-in-bash-unix-based-operating-systems-2jb9
Users, Groups, and Permissions in Bash (UNIX based Operating Systems) - DEV Community
Note: This tutorial applies to the BASH shell and UNIX based operating systems. Windows OS will be... Tagged with bash.
groups and permissionsbash unix
https://en.wikipedia.org/wiki/Bash_(Unix_shell)
Bash (Unix shell) - Wikipedia
bash unixshellwikipedia
https://thehackernews.com/2014/09/bash-shell-vulnerability-shellshock.html?version=meter+at+null
Remotely Exploitable 'Bash Shell' Vulnerability Affects Linux, Unix and Apple Mac OS X
Remotely Exploitable 'Bash Shell' remote code execution vulnerability CVE-2014-6271 Affects Linux, Unix and Apple Mac OS X.