The eBook market is filled with books on Linux command and administration. There are so many you can't count the titles, each claiming to have a bunch of formulas by which you can learn Linux overnight. We do not live in Hogwarts, where we have wands and magical spells to make things happen in the blink of an eye. This is the real world, and I do not have unearthly claims to make about this book. This is a simple book that will suit average brains...