"Fusion runs Ubuntu in a virtual machine, so it's not quite as
clean as installing the free operating system on a physical
computer. Part of the process involves loading VMware Tools, a set
of drivers that makes things work a little smoother. In Windows,
this process is automatic -- an installer drops VMware Tools into
place, you reboot the virtual machine, and you're done. It also
works that way in some versions of Linux.
"But not in Ubuntu. Despite the fact that this is a very popular
Linux distribution, the Tools installer won't run..."