unix commands

Dear lammps users,
could any one tell how to add more unix commands to lammps.

thanking you
naveen

Dear lammps users,
could any one tell how to add more unix commands to lammps.

what "unix" commands do you need?
to achieve what? what doesn't work?

have you read the documentation recently?

particularly the sentence "anything else is passed as a command to the
shell for direct execution"

axel.