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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: The joy of pipes
Date: Sat, 16 Nov 2024 00:16:19 -0000 (UTC)
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On Fri, 15 Nov 2024 02:49:54 -0500, 186282@ud0s4.net wrote:

> But, really, they're just temp files the parent process can access.

They’re in-kernel memory buffers, with a read end and a write end. 
Actually you can have multiple processes at each end. Readers can 
automatically block waiting for writers, writers can automatically block 
waiting for readers.

Try doing that with temporary files.