I have created a group of users in my Ubuntu server system, so that each one of them can log in through an ssh connection with his username and password. Each user is "locked" in their home directory, and cannot "look up" to any other folder in the system.
What I want to do is to create a folder that will be accessible to all these users of this group, with full rights inside this folder for the users for the whole group, while retaining the rule that they should not be able to access any other folder in the system.