To be able to run AUTOMATA you must have in your home directory the following files:
.mime.types with the the instruction
application/x-csh csh
.mailcap with the instruction
application/x-csh; csh -f %s
If this is your first test of the formal languages environment AUTOMATA, you should have a look at the AUTOMATA manual.
There is available also a concise tutorial on automata theory with examples.
AUTOMATA