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Bash diff tool - simple verify two huge file same content

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Yeah we can use cmp, diff...

But I want to check two huge file without downloaded them (big) => checksum ?

 https://stackoverflow.com/questions/12900538/fastest-way-to-tell-if-two-files-have-the-same-contents-in-unix-linux

https://www.computerworld.com/article/2819393/unix-tip--comparing-files-with-checksums.html


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