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Mar
18th
Wed
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tip: unix

nice reference for converting times to/from unix timestamps in various languages: http://bit.ly/9OBOc

tips  unix 
Sep
19th
Mon
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tip: unix

time shows how long command takes to execute

tips  unix 
Nov
13th
Sat
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tip: unix

wc counts words lines, etc …

tips  unix 
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tip: unix

file tells you what type of file you are dealing with

tips  unix