First released in 1989, it has been used widely as the default login shell for most Linux distributions. The Bourne Shell is an early and important Unix shell written by Stephen Bourne and distributed with Version 7 Unix circa 1978. Bash was created in 1987 by Brian Fox. In 1990 Chet Ramey became the primary maintainer.
Bash is the default shell on Debian and most Linux systems.
https://wiki.archlinux.org/index.php/Bash - Bash on Arch Linux Wiki
http://www.gnu.org/software/bash/manual/bashref.html - Bash Reference Manual
http://www.tldp.org/LDP/abs/html/ - Advanced Bash-Scripting Guide
http://linux.org.mt/article/terminal - An introduction to Bash
http://www.tldp.org/LDP/Bash-Beginners-Guide/html/index.html - Bash Guide for Beginners
https://gna.org/projects/mbfl - Marco's Bash Functions Library