All About Linux 2008: Why use Linux?
Command line interfaces are hard, right? XP has a great GUI and you so rarely have to use MS-DOS that there’s no reason to learn all those fancy commands. Well, there are some things you can do in the command line so quickly that it boggles the mind.
Want to resize a bunch of images? Fix your mailbox? Scan through your files? Command-line tools are your best bet. Want to tweak network and OS configurations? Watch for intruders? Figure out why a GUI program isn’t working? Command lines are perfect for these purposes. If you’re a power user — or call yourself a power user — not using command line tools is like calling yourself a pirate and never sailing the seven seas.