Every file is owned by a user and a group user.There is also a third category of users,those that are not the user owner and don’t belong to the group owning the file.For each category of users, read,write and execute permissions can be granted or denied.
There are many good CSS editors for Linux. Basically, all you really need is a text editor that will perform syntax highlighting on CSS files. Some of the programs below are just simple text editors, while some offer additional features.
So, what does this tell us? First of all, Ubuntu is pretty close to being considered the face of Linux. Second, it’s the newer distributions like Ubuntu, OpenSUSE, and Fedora that new Linux users are going for.