If you spend a lot of time in the command line, it becomes second nature. If you don't, it becomes something you have to research each time you use it. Your file rename is a good example. If you do it in a command line, you get one shot and you better have each parameter exactly correct. If you do it right, it's lightning fast. If you don't, you have a mess to fix. If you use a program like Métamorphose you can play with the parameters and preview the changes before executing them. It also checks for file name errors that result from the renaming. You can also do fancier stuff like pulling data out of EXIF and ID3 tags. P.S. Métamorphose can be found at http://file-folder-ren.sourceforge.net/ Métamorphose is written in Python, with Python source and a deb package available. Anyone want to port it?