Depending on how your system is set up, you may need to set up your access to your system before you can run Legion commands. This will probably involve running a command such as this:
$ . ~legion/
$ source ~legion/setup.csh
The exact syntax will depend on what kind of shell you are using and where your Legion files are installed (i.e., the value of ~legion will depend on your individual Legion net). Consult your system administrator for more information.

The following style conventions are used in these tutorials: