Last Updated: October 3rd, 2011
As with most other Android phones, the LG Optimus S didn't remain a rooting virgin for long - in fact, it was only a matter of how long it took Android Central forums member KSmithInNY to get the device out of the box.
Before getting started, you'll need to download the Sun JRE (or should I call it Oracle now?), the Android SDK, and drivers for the Optimus S (model LGP500, here's a detailed guide on installing those).
Last Updated: January 23rd, 2011
This article deals with a couple of advanced topics. If you’re unfamiliar with some of the terms, hit up our primers here:
Android hackers have definitely come a long way since first rooting the T-Mobile G1 - it is no longer a surprise to see a device rooted on or even before launch day.
Last Updated: October 16th, 2010
: As Artation has pointed out in the comments
below, Universal Androot has since been removed from the Market for unknown reasons. If you're still heartbent on using it though, you can download it it from here
If you can think back to the time Universal Androot was released, you'll recall the then small xda-developers startup that allowed for one-click rooting of a very limited number of phones, all of which had to be running Android 2.1 Eclair or lower.