I've been using Compiz as my window manager of choice for years (since Beryl). The reason was primarily the features it had, like switching workspaces with mousewheel (Cube plugin), positioning ...
HowtoForge – This tutorial shows how you can enable Compiz Fusion on an Ubuntu 9.10 (Karmic Koala) desktop (the system must have a 3D-capable graphics card – I’m using an NVIDIA GeForce FX 5200 here).
TLDR: Read the emboldenened question. My GUI just locked hard and I had to switch to a different terminal (Ctrl-Alt-F1) and kill it dead. Switching back to F7, I had my desktop, but obviously no ...