Hardware and clustering company Linux Networx Inc. unveiled its LS Series of Linux machines Monday. The Series contains two families, the midrange LS-1 Supersystem and the high-end LS/X supercomputer.

Whether you're curious or need to get something done, if you're on Linux, sooner or later, you're going to have to deal with the terminal. It's not so scary. Here's how to get started on the Linux ...