The Shell Game
Many shells (command interpreters) have been developed for UNIX over the years. Most common are:
As you may infer from "seashell", "shelling corn", and
addicted to bad puns. All shells offer many, many more
features than the standard DOS/Win shell.
BASH is standard with Linux, but all shells are available, so the user has complete choice over which shell is to be used at a given time within a session. A shell script (batch file) often explicitly specifies which shell is to be used to execute it.
All shells offer many, many more features than the standard DOS/Win shell.