R help - Jun 2009 - Help Needed

HI,
I am Angshuman a postdoc in Buck Institute, Novato, CA. I am using random forest
in R. I have a problem.  I have a training file and a test file. I need to
generate model file to classify a set of data of the test file. I need to know
the command for that. Please let me know.
Thank you.
Angshuman