John Van Gaans has announced the release of Legacy OS 4 "Mini", a Puppy-based desktop Linux distribution designed to run on obsolete Pentium 3/4 personal computers and laptops: "Today sees the release of Legacy OS 4 Mini, an update for TEENpup 2010 Mini Beta. Those updating from TEENpup 2010 Mini will need to save any important documents, music, etc. to an external hard drive or USB stick as a full reinstall is required to update to this new version. This release sees TEENpup 2010 Mini re-branded to Legacy OS 4 Mini. Users now have a choice between Legacy OS 2 (Puppy series 2-based) and Legacy OS 4 Mini (Puppy series 4-based) depending on hardware requirements. Legacy OS is a Linux distribution designed to run on obsolete legacy hardware. A user should be able to bring back to life a PC or laptop running a Pentium 3 or 4 processor.