Git Bash is a source control management system for Windows. It allows users to type Git commands that make source code management easier through versioning and commit history. Bash is a Linux-based command line (that has been ported over to Windows) while Shell is a native Windows command line.
application that provides Git command line experience on the Operating System. It is a command-line shell for enabling git with the command line in the system. A shell is a terminal application used to interface with an operating system through written commands. Git Bash is a package that installs Bash, some common bash utilities, and Git on a Windows operating system. In Git Bash the user interacts with the repository and git elements through the commands.