Installing Bash Linux From Scratch Prev Chapter 5. It's only a waste of time for now as Bash will be reinstalled in the next chapter. The Bash package contains the bash program Description Bash is the Bourne-Again SHell, which is a widely used command interpreter on Unix systems.
Bash is a program that reads from standard input, the keyboard.
You type something and the program will evaluate what you have typed and do something with it, like running a program.