Bash Reference Manual - a Gnu Manual: Reference Documentation for Bash

This manual is the definitive reference for GNU Bash, the standard GNU command-line interpreter.GNU Bash is a complete implementation of the POSIX.2 Bourne shell specification (/bin/sh), with additional features from the C-shell (csh) and Korn shell (ksh).The authors of this manual, Chet Ramey and Brian Fox, are the original developers of GNU Bash. *** Published under the terms of the GNU Free Documentation License. Money raised from the sale of this book supports the development of free software and documentation.