sh - (or "Shellish"). S.R. Bourne. Command shell interpreter and script
language for Unix. "Unix Time-Sharing System: The Unix Shell", S.R.
Bourne, Bell Sys Tech J 57(6):1971-1990 (Jul 1978).
sh Programming Language
http://www.programming-languages.co.uk/sh.html
Large list of computer programming languages arranged alphabetically, with explanations.