awk

 awk '/Tech/ && $1>200 {print $2, $4,$5}' e 

Awk Introduction Tutorial – 7 Awk Print Examples
http://www.thegeekstuff.com/2010/01/awk-introduction-tutorial-7-awk-print-examples/

linux shell awk 語法 @ 血落閣 :: 隨意窩 Xuite日誌
http://blog.xuite.net/mb1016.flying/linux/28111008-linux+shell+awk+%E8%AA%9E%E6%B3%95

Awk - A Tutorial and Introduction - by Bruce Barnett
http://www.grymoire.com/Unix/Awk.html