Jim, A wide variety of OSes can be used, but Linux is the most popular.
You can start here for installation instructions: http://www.datastax.com/documentation/getting_started/doc/getting_started/gsInstallCassandra.html . -- Patricia Gorla @patriciagorla Consultant Apache Cassandra Consulting http://www.thelastpickle.com <http://thelastpickle.com>
