The bash shell is already installed on OS X and Linux systems.
To use the bash shell in OS X, open the Terminal application (in the Utilities folder inside the Applications folder).
gitbashTo install a bash shell:
Path environmental variable as follows:
Path variable, and click on Edit\bin` to the end of the variableTo test your shell, open the gitbash terminal, and type git help. If you see a long help message, everything is configured correctly.