PLACE
languages
RPN in Bash

Bash

Links of Relevance

The home page of bash
The Bourne-Again SHell manual
The maintainer's bash page
Bash reference manual
A man page for bash
The Linux Documentation Project (TLDP)
Bash guide for beginners
Advanced bash-scripting guide

POSIX.1-2008, 2013 Edition Base Specifications (including ‘Shell and Utilities’)

boykobbatgmaildotcom