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About the Technical Reviewer

Images Ed Schaefer is an ex-paratrooper, an ex-military intelligence officer, an ex-oil field service engineer, and a past contributing editor and columnist for Sys Admin. He's not a total has-been. He earned a BSEE from South Dakota School of Mines and an MBA from USD.

Currently, he fixes microstrategy and teradata problems—with an occasional foray into Linux—for a Fortune 50 company.

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