Additionally you can find my video courses on Pluralsight: http://pluralsight.com/training/Autho... and take time to see my own site http://www.theurbanpenguin.com Although maybe not the most glamorous of commands you will find both of these tools really useful in your Linux environment. The command fmt can format documents on page width compressing data together, perhaps formatting emails to be more readable that arrive from various sources. While the command pr works on page length so page breaks fir the printers page in long files