Git and GitHub play an important role in modern software development and DevOps workflows. They help development teams track source-code changes, collaborate efficiently, review code, manage application versions, and integrate development activities with CI/CD automation. In a typical DevOps environment, Git is used for version control, while GitHub provides a remote platform for hosting repositories and collaborating with other developers. When GitHub is integrated with Jenkins, code changes can automatically trigger build, testing, code-quality analysis, and deployment processes. 1. What Is Git? Git is a distributed version control system that records changes made to source code over time. It allows developers to maintain different versions of an application, work on separate branches, compare modifications, and collaborate without unnecessarily interfering with each other's work. Git also maintains a history of committed changes, making it easier to investigate previ...