There's a lot of information in those lines (and we've even simplified things for clarity). The first character will almost always be either a '-', which means it's a file, or a 'd', which means it's a directory. In our example, all three of them are files. The next nine characters (rw-r--r--) show the security; we'll talk about them on the next page. The next column shows the owner of the file. In our imaginary zoo, your UserID is "keeper". The next column shows the group owner of the file. Recall that we want to give the "prim" group of people special access to these files. The next column shows the size of the file in bytes. The next column shows the time the file was last modified (in reality, it would also show the date). And, of course, the final column gives the filename. Click the right arrow to continue.