installin lammps

ubuntu 12.04
thanks.
University of Tehran

ubuntu 12.04

what on earth is that supposed to mean?

Dear Negar,

I think you are trying to build Lammps from the wrong directory not from /src. Just follow the instruction in document page and do it step by step.
http://lammps.sandia.gov/doc/Section_start.html

"From within the src directory, type:

make linux


Regards,