The scatter gather shell, sgsh, allows the expressive expression of efficient big data set and streams processing pipelines using existing Unix tools as well as custom-built components. It is a Unix-style shell allowing the specification of pipelines with non-linear scatter-gather operations. These form a directed acyclic process graph, which is typically executed by multiple processor cores, thus increasing the operation's processing throughput.

You can find a complete introduction, reference documentation, and illustrated examples in the suite's [web site] (http://www.spinellis.gr/sw/sgsh/).