There is also dpipe, the "bi-directional pipe", included in vde2 package, and included in current distro package management systems.
http://manpages.ubuntu.com/manpages/trusty/man1/dpipe.1.html
dpipe processA = processB
There is also dpipe, the "bi-directional pipe", included in vde2 package, and included in current distro package management systems.
http://manpages.ubuntu.com/manpages/trusty/man1/dpipe.1.html
dpipe processA = processB