A wise Unix/Linux user once mentioned, "'''With Linux, learn it once, know it always'''". What is really means is In other words, if you take the time to learn how to do everything in Linux by issuing commands and understanding its understand the system/setup files and structure, you can perform all of the tasks <u>with </u> or <u>without </u> graphical administration programs. Therefore, people People that were working on UNIX systems in the 70's can still operate new work on Linux systems (and not have to pay $10.000 every 4 years to maintain their designation, or learn new graphical administration tools)...cool!