4 ms·
The pipe | symbol came in 1972 [1], fork was 1971 [2] So I doubt it [1] http://www.softpanorama.org/Scripting/pipes.shtml http://www.softpanorama.org/Scriptin
by PeachPlum 9y ago
The pipe | symbol came in 1972 [1], fork was 1971 [2]
So I doubt it
[1] http://www.softpanorama.org/Scripting/pipes.shtml http://www.softpanorama.org/Scripting/pipes.shtml
[2[ https://www.bell-labs.com/usr/dmr/www/pdfs/man21.pdf https://www.bell-labs.com/usr/dmr/www/pdfs/man21.pdf
- akkartik 9y ago`fork()` in the kernel is a prerequisite for `&` in the shell, but not the same thing. Another sample point: job control first came to shells in 1981 (http://gunkies.org/wiki/4.1_BSD http://gunkies.org/wiki/4.1_BSD). Perhaps '&' too originated then?