I have a powerful desktop, — and yes, runs Linux. It has a quad-core CPU, and 10GB RAM. My wife only has a small laptop. So, when she needs to do more serious work, like photo processing, she logs in my machine (using her own account) to do it.
And then we have a problem. All our pictures are stored in one shared repository, which is a directory under “/var”. Any file or picture I created in that directory, automatically received the ownership “my_user_id:users”, where “users” is my default group; and the default permission for the files I created are 744, which means my wife can’t modify it without changing the file permission first; and vice versa.
That’s really inconvenient. So I want to find a way, to achieve following goals:
Any file / directory we created in our repository, must have group “family”, which is a group I created for just two …
