Also, consider this http://www.mail-archive.com/coot@jiscmail.ac.uk/msg02024.html
On Mon, 2011-03-07 at 23:57 +0530, Pranjal Mahanta wrote: > Hi, > > > I just installed CCP4-6.1.13 on my ubuntu (10.10) 64 -bit laptop. I > can run CCP4i successfully. But when i try to run coot, i get error : > No command 'coot' found. Can someone help me to fix the problem? > > > with regards, > > Pranjal > > > -- Coot verendus est