Command 'setenv' not found

I use ubuntu 11.04

I tried to install the program "Crystal09" and in the tutorial asks you to copy the file cry2k9.cshrc to the home directory. I copied the file, but when I do the command "source cry2k9.cshrc" (which is the installation tutorial) the following error appears (This error message is in Portuguese-br): (Translated :edit)

Command 'setenv' not found, did you mean:

Command 'netenv' package 'netenv' (universe)

setenv: command not found

Command 'setenv' not found, did you mean:

Command 'netenv' package 'netenv' (universe)

setenv: command not found

CRY2K9_SCRDIR - scratch directory (integrals and temp files):

CRY2K9_EXEDIR - directory with crystal executables:

CRY2K9_UTILS - running scripts and misc: /runcry09, runprop09

CRY2K6_GRA - graphical scripts: /maps06, doss06, band06

CRY2K9_TEST - directory with test cases: