How can I change permissions for a specific group in Linux?

Permissions are typically structured in octets, where you manage Owner, Group, and Others. The simplest way to manage access for a specific group is to create a new group specifically for that file or folder. For instance, if you have a group called 'sales' and you want to restrict access for one user, you could create a new group, like 'sales2', and assign only the users you want into that group. Remember, using 'chown' can help you change the ownership of a file or directory to a certain group or user, which is key here. For more detailed info, definitely check out resources linked in the comments! Just be sure to understand how file ownership works.

There are tons of tutorials and guides out there that explain Linux permissions in depth. Make sure to check out the provided resources and keep experimenting in a VM. It’s all about trial and error, so don’t hesitate to try changing permissions to see how it affects accessibility. And remember: always have backups before making big changes!

Changing permissions in Linux can seem tricky at first. Basically, if you want to deny access to a directory for a specific group, you might need to remove that group from having access and create a new group just for those who need it. It’s like a fresh start! Keep it simple and just go for the basics. The idea is that you set up groups to control who gets what access. If you don't want a group to have access, it’s best to have a unique group for the users that should have permissions while keeping the others out. Make sense?