There are many topics that tend to come up in a recurring manner around water coolers throughout the Linux blogosphere, and not just the great "Year of" debate, either. No indeed, another shining example more than a little familiar to most of us who spend any time here is the much-abused command line -- specifically, whether it's outlived its usefulness in this era of the GUI. Well guess what? The debate is back! So what shall it be? Has the command line interface outlived its usefulness? Or is there still a place for this trusty old tool?