I know for example: ls -all | grep Hello means to search all files containing Hello. What is the definitive definition of the | command? What exactly is going on here with |?
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2Please see https://stackoverflow.com/a/9834118/9583293 – Jacob Heath Jan 29 '22 at 22:00
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2Please see: https://en.wikipedia.org/wiki/Pipeline_(Unix) – Cyrus Jan 29 '22 at 22:10
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pipe; send whatever we get from the left side to the right side: (https://www.makeuseof.com/what-are-linux-metacharacters/) I would also take a look at the gnu bash manual: https://www.gnu.org/software/bash/manual/bash.html and check specifically the 3.2.3 Pipelines for more in depth information
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