bash: bash 4.2 (Bourne-Again shell)  
bash:  
bash: Bash is the shell, or command language interpreter. Bash is largely 
bash: compatible with sh and incorporates useful features from the Korn shell 
bash: ksh and the C shell csh. It is intended to be a conformant 
bash: implementation of the IEEE POSIX Shell and Tools portion of the IEEE 
bash: POSIX specification (IEEE Standard 1003.1). It offers functional 
bash: improvements over sh for both interactive and programming use.  
bash: 
bash: 
bash:

