![]() Timestamps are also used a lot, so their storage adds up. But consider that Unix originated in the late 1960s when available storage was far smaller. Of course, in modern terms, the space difference isn’t all that much at all. It takes a lot less space to store a single number representing seconds than it does to store separate values for the year, month, hour, etc. It’s a date/time (or timestamp) format that looks different from the human-readable dates and times we’re used to. ![]() Unix time is a count of total seconds since a fixed time and date. ![]() Several tools can help you to work with Unix time. Once you understand Unix time, though, you’ll spot it in many contexts. It’s so widespread, that you’re probably using it without being aware of it. Unix time is a means of representing a specific date and time, used by Linux, macOS, and many other interoperable systems. Why does Unix have its own concept of time? What is the epoch and what’s the Y2038 problem? ![]()
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