Droid root

Just picked up your Motorola Droid Bionic, eh?  After you've got it charged and ready to roll, for many the next step will be to root it and strip out the loads of carrier bloat Verizon so kindly supplies.  That will be a simple affair thanks to Pete Souza and his one-click Motorola Root Tools. The Bionic and any other Motorola phone running the 2.3.4 version of Gingerbread (like the Droid 3 and the Droid X2) can be rooted with a minimum of fuss, needing only a correctly set-up USB driver and the cable that came with your phone. Pete has things set up with easy to follow instructions for Windows, Mac, and Linux so you'll be rock and rolling in no time.

Now for the big fat warnings -- currently, there is no way to roll back the Bionic to the factory state.  Once done, consider this permanent until further notice.  Also, word is that Motorola is well aware and will be patching this method shortly, so mind those OTA updates if you're considering the root road.  Any HTC EVO 4G user can tell you tales of woe and waiting once an update was accepted.  If you're clear on all this, and ready to go forward, hit the source link and have a go.

Source: Pete's Motorola Root Tools; More: Droid Bionic Forums