This is really old but the article mentions splice() and here&#x27;s the original thinking on that syscall.  Linux didn&#x27;t take all the ideas but they took some:<p><a href="http:&#x2F;&#x2F;www.mcvoy.com&#x2F;lm&#x2F;bitmover&#x2F;lm&#x2F;papers&#x2F;splice.pdf" rel="nofollow">http:&#x2F;&#x2F;www.mcvoy.com&#x2F;lm&#x2F;bitmover&#x2F;lm&#x2F;papers&#x2F;splice.pdf</a>