David Tansley is a freelance writer. He has 15 years experience as a UNIX administrator, using AIX the last eight years. He enjoys playing badminton then relaxing watching Formula 1, but nothing beats riding and touring on his GSA motorbike with his wife. Follow him at twitter.com/dxtans. David was named an IBM Power Systems Champion (www.ibm.com/developerworks/champion) in May 2012.
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