If you like RedHat, consider Centos also; it is a nearly-complete clone of the RHEL distro. John
From: Nitin Pawar [mailto:nitinpawar...@gmail.com] Sent: Friday, January 04, 2013 10:46 AM To: user@hadoop.apache.org Subject: Re: Hello and request some advice. - Is Ubuntu a good O.S. for running Hadoop? I've tried to learn in the past using Red Hat & Infosphere Biginsights, but I need a free O.S. If you want a free O.S , ubuntu is good but if you are familiar with RedHat then you may want to have look at Scientific Linux (Its free as well)