7. Make peace with the command line. Linux newbies dread the prospect of working with a text-based interface, but the command line prompt can be your best friend in a troubleshooting emergency. Although it’s similar to the old MS-DOS command shell, the Unix command line is more complex and also much more powerful. Once you’ve learned to use it, you’ll find that Linux is packed with hidden tools that get you back on your feet when the GUI fails you. A Web search will reveal a number of online tutorials to teach you the basics. To get started, you can access the command line in Ubuntu by launching the Terminal from the Applications > Accessories menu.
Index of "Switching to Linux" stories
Windows to desktop Linux in three easy steps
Which Linux should I choose?
Linux desktop applications
Getting connected with Ubuntu
Making the most of Linux multimedia