> Oh I know the problem for this one! It's really rather silly. When you
> install FSL on ubuntu with the Ubuntu Software Center, you actually wouldn't
> run it as "fsl" - it gets installed with the version number. So while
> typing "fslview" in the command prompt works for fslview, if you want fsl
> alone, or bet, you would need to type something like:


>> fsl4.1-fsl
>> fsl4.1-bet

so try "which fsl4.1-fsl" for example. - it should work! For me the main
executables are of course in /usr/bin, and all the other fsl files are at
/usr/share/fsl/4.1

Best,

Vanessa