The best tool available for managing source code is Git. It provides collaborative tools, including issue tracking, project management, and wikis, to help both programmers and non-technical people. Git plays an important part in DevOps processes. Git’s significance in the DevOps space means that career opportunities should rise. According to a Grand View Research analysis, the global DevOps market is expected to increase at an annual pace of 18.60% to reach $12.85 billion by 2025. We are going to share the most asked Git interview questions and answers with you so you can ace any interview you walk into.
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Git is a popular distributed version control system (VCS) that is necessary for tracking changes made to source code while it is being developed for software. It was created by Linus Torvalds in 2005 to aid with the development of the Linux kernel. Git is a fast and efficient project management tool that can handle any project of any size, no matter how big or small.
Here are 30 commonly asked Git interview questions for you:
You might think this is a very basic thing, but this Git interview question is often asked of the candidates. Git is a distributed version control system used to track changes in source code during software development. It allows multiple developers to collaborate on a project efficiently and manage different versions of the codebase.
Git offers distributed development, fast branching and merging, efficient handling of large projects, and support for non-linear development workflows, among other benefits. This is another important Git interview question.
Git is a distributed version control system, meaning every developer has a complete copy of the repository. SVN, on the other hand, follows a centralized model where there’s a single repository that all developers connect to.
A repository in Git is a collection of files and folders along with their revision history. It contains metadata, configuration files, and objects necessary for version control.
You can initialize a Git repository in a directory using the command git init.
Git clone creates a copy of an existing repository, including all branches and commit history, on the local machine. Git fork creates a copy of a repository on a remote server (like GitHub), allowing for independent development. You need to know the difference as a DevOps engineer because interviewers often ask this Git interview question.
The .gitignore file specifies intentionally untracked files that Git should ignore. This is useful for excluding build artifacts, temporary files, and other files that shouldn’t be committed to the repository.
Branching in Git allows developers to diverge from the main line of development and continue working on features or fixes without affecting the main codebase. Each branch represents an independent line of development.
You can create a new branch in Git using the command git checkout -b branch_name.
A merge conflict occurs when Git is unable to merge changes from different branches automatically. To resolve it, you need to edit the conflicting files manually, choose which changes to keep, and then commit the resolved files.
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Git merge integrates changes from one branch into another, creating a merge commit. Git rebase, on the other hand, moves the entire branch to begin from the tip of another branch, resulting in a linear history without merge commits.
Git stash is a feature that allows you to store changes that are not ready to be committed temporarily. You can use git stash save to stash changes and git stash apply to apply them back to the working directory.
Git cherry-pick is a command used to apply a specific commit from one branch to another. It allows you to pick individual commits and apply them to the current branch.
Git bisect is a command used to find the commit that introduced a bug by performing a binary search through the commit history. You mark commits as good or bad, and Git helps you narrow down the problematic commit.
Git remote is a pointer to another copy of the same repository hosted on a different server. It allows users to collaborate with others by pushing and pulling changes to and from remote repositories.
You can add a remote repository in Git using the command git remote add <name> <url>, where <name> is a nickname for the remote repository and <url> is the URL of the repository.
Git fetch retrieves changes from a remote repository without merging them into the local branch. Git pull, on the other hand, fetches changes and merges them into the current branch.
You can push changes to a remote repository in Git using the command git push <remote_name> <branch_name>.
Git push updates the remote repository with local changes without overwriting remote changes. Git push-force forcefully updates the remote repository, overwriting remote changes with local changes.
Git revert is a command used to undo a commit by creating a new commit that undoes the changes introduced by the original commit. It does not modify the commit history.
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Git reset is a command used to move the HEAD and current branch pointer to a different commit. Unlike Git revert, Git reset modifies the commit history by discarding commits.
Git checkout is used to switch branches or restore files from a specific commit, while Git reset is used to move the HEAD and current branch pointer to a different commit, potentially discarding commits.
Git tag is a reference to a specific commit in the Git history. You can create tags using the command git tag <tag_name>.
You can delete a branch in Git using the command git branch -d <branch_name>. Use -D instead of -d to force delete a branch that has unmerged changes.
Git fetch retrieves changes from a remote repository without merging them into the local branch, while Git pull fetches changes and merges them into the current branch.
A Git submodule is a way to include one Git repository as a subdirectory of another Git repository. It allows you to keep a separate repository within your main project.
Git reflog is a command used to view the history of operations performed in a repository, even if they are not part of the commit history. It can be used to recover lost commits or branches.
Git blame is a command used to view the revision history of a file, showing which commit and author last modified each line. It can be useful for tracking changes and identifying the author responsible for specific changes.
Git merge –squash merges all changes from a feature branch into the main branch as a single commit, while Git rebase moves the entire feature branch to begin from the tip of the main branch, resulting in a linear history without merge commits.
Interviewers also ask this Git interview question to judge if you are only aware of basic knowledge or an in-depth one. GitLab/GitHub Pages is a feature that allows you to host static websites directly from your GitLab/GitHub repository. You can enable it in the repository settings and configure the source branch for the website content. GitLab/GitHub automatically builds and deploys the website whenever changes are pushed to the specified branch.
Git is gaining traction at an incredible rate, and it’s expected that, eventually, all developers worldwide will be collaborating as a single team thanks to it. Git has become an essential component of a developer’s life due to its vast reach and constant demand. It is necessary to practice these common Git interview questions before sitting in an interview. Good luck!
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