hi! i've been using gnu software for the last few years, and am quite impressed... i hope to have sufficient time to contribute during my upcoming university years! i noticed a small wording problem with the --help of du (du (GNU fileutils) 4.0): -H, --si likewise, but use powers of 1000 not 1024 you probably mean "multiples" instead of powers. or "powers of 10, not 2". also, the -X option to exclude a file would logically extend to exclude directories as well, though "du -X pov" says "du: pov: Is a directory". this would seem useful and more complete. thank you, and i hope this is helpful, steve "The textures of a lot of rock music", said Mike, "and the textures of a city street, they're really a similar sort of feel. Lots of confusion and lots of nasty overtones: things going bang, crash, car doors, horns. And then there is the general undercurrent: tube trains, buses, cars--the rumble of several million cars on a street gives the whole of London a big brrrr, incredibly deep, and you can feel it in your rib cage. It might have something to do with why people like bass so much." - Mike Oldfield, "I Can't Stand People Who Play Things Blandly"