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f1 and f2 are two files, I want to know what does this two commands in linux, cat f1 f2 .. > f1 and less f1 f2 …>f2 . I dont have linux in my computer to test them.

user440562
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1 Answers1

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You can use expalainshell.com to understand shell lines that may be hard to google.

And these days you don't even need to install Linux on your machine, you can run Linux directly in your browser - for example, to try Debian: https://distrotest.net/index.php?module=systems&submodule=run&id=1068633

Arkadiusz Drabczyk
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