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How does Linux and Unix store dates and times?

Overview

In this Linux tip, we’re going to take a look at epoch time – the way Unix and Linux systems store dates and times. Unix and Linux systems don’t store dates and times in a way that includes months, days and years in the way that you see them displayed on the system. Instead, they are stored as the number of seconds since the beginning of 1970. While this method of recording dates and times may seem odd, it requires little storage space and is consistently interpreted.

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