An artcle in News Forge discussing the Portable Apps site of
John T. Haller and how he got started.
JH: Mac-on-stick was a simple hack someone put together for running older Mac OS versions from a USB flash drive that I had posted about in the app directory.
There are several solid portable OS packages out there, such as DSL and Puppy. When the Portable Apps Directory gets an overhaul, I'll be listing them.