Among key Linux features, the command-line shell is one of the most important. If you run a Linux server, your main interface is more than likely going to be the shell. If you’re a power user running Linux on the desktop, you probably have a terminal open at all times. If you’re a Linux newbie, you may think that you’ll never open up the command line, but you will sometime ... and the more you use Linux, the more you’re going to want to use that shell.
The shell in many ways is the key to Linux’s power and elegance. You can do things with the command line that you simply can’t do with whatever GUI you favor. No matter how powerful KDE or GNOME may be (or IceWM or XFCE or any of the other kajillion windowing environments out there), ...
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