The one I use is Applejack. It repairs permissions, runs disk first aid cleans the cache & 3 other things that I can't remember. It runs from single user mode & requires only one command to do everything. --- James Paul Manley Albuquerque, New Mexico Jim Manley's Photoshop Elements Page http://www.geocities.com/jim_p_manley/index.html On Nov 29, 2005, at 10:57 AM, dapper dan wrote: > my g4 powerbook seems to be running a bit slower than it used to.is > there any maintenance i can do to help it run well?(im a former pc > user who is still getting used to the mac reality)i have no av > software.any ideas or help out there?