The Linux operating system and all its variant distributions inherit a strict ownership model from Unix systems. This means that users must have specific permissions in order to manipulate particular ...
Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux. There are a number of ways to view ...
I bet you can do what you want with file system permissions though, if you're clever. IF not, you should look into using ACLs. Provided your kernel and filesystem have support for them (ext2/3, ...