- What is Git and why is it used in software development?
- Answer: Git is a version control system that tracks file changes and coordinates work among multiple developers. It allows for collaboration, tracking changes, and reverting to previous versions if needed.
- Answer: Git is a version control system that tracks file changes and coordinates work among multiple developers. It allows for collaboration, tracking changes, and reverting to previous versions if needed.
- How do you install Git on your local machine?
- Answer: Git can be installed by downloading the installer from the official Git website and following the installation instructions for your operating system.
- Answer: Git can be installed by downloading the installer from the official Git website and following the installation instructions for your operating system.
- What is a repository in Git?
- Answer: A repository, often abbreviated as “repo,” is a storage location where Git keeps all the files and history of a project.
- Answer: A repository, often abbreviated as “repo,” is a storage location where Git keeps all the files and history of a project.
- How do you initialize a new Git repository in a directory?
- Answer: You can initialize a new Git repository by running the command git init in the desired directory.
- Answer: You can initialize a new Git repository by running the command git init in the desired directory.
- Explain the difference between Git commit and Git push.
- Answer: Git commit records changes to the repository, while Git push uploads commit to a remote repository, making them accessible to others.
- Answer: Git commit records changes to the repository, while Git push uploads commit to a remote repository, making them accessible to others.
- How do you add files to the staging area in Git?
- Answer: You can add files to the staging area using the command
git add <file>.
- Answer: You can add files to the staging area using the command
- What is the purpose of the
.gitignorefile?- Answer: The
.gitignorefile specifies intentionally untracked files to be ignored by Git. This is useful for excluding files like compiled binaries or sensitive data from being tracked.
- Answer: The
- How do you view the commit history in Git?
- Answer: You can view the commit history using the command
git log.
- Answer: You can view the commit history using the command
- Explain the concept of branching in Git.
- Answer: Branching allows developers to diverge from the main line of development and continue work without affecting the main branch. It’s useful for feature development, bug fixes, and experimentation.
- Answer: Branching allows developers to diverge from the main line of development and continue work without affecting the main branch. It’s useful for feature development, bug fixes, and experimentation.
- What is the command to create a new branch in Git?
- Answer: The command to create a new branch is
git branch <branch_name>. To switch to the new branch, you can usegit checkout <branch_name>orgit switch <branch_name>.
- Answer: The command to create a new branch is
- How do you check the status of your Git repository?
- Answer: You can check the status of your Git repository by running the command
git status.
- Answer: You can check the status of your Git repository by running the command
- Explain the difference between Git pull and Git fetch.
- Answer: Git pull fetches changes from a remote repository and merges them into the current branch,
while Git fetch only downloads the changes from the remote repository, allowing you to review them before merging.
- Answer: Git pull fetches changes from a remote repository and merges them into the current branch,
- What is a commit message and why is it important?
- Answer: A commit message is a brief description of the changes made in a commit. It’s important because it helps other developers understand the purpose of the changes and facilitates easier navigation through the commit history.
- Answer: A commit message is a brief description of the changes made in a commit. It’s important because it helps other developers understand the purpose of the changes and facilitates easier navigation through the commit history.
- How do you undo changes in a file that has not been staged yet?
- Answer: You can undo changes in a file that has not been staged yet using the command
git checkout -- <file>.
- Answer: You can undo changes in a file that has not been staged yet using the command
- Explain the difference between Git reset and Git revert.
- Answer: Git reset moves the HEAD and current branch pointers to a specified commit, potentially removing commits from the branch’s history,
while Git revert creates a new commit that undoes the changes made in a previous commit.
- Answer: Git reset moves the HEAD and current branch pointers to a specified commit, potentially removing commits from the branch’s history,
- What is a merge conflict in Git and how do you resolve it?
- Answer: A merge conflict occurs when Git is unable to automatically merge changes from different branches.
To resolve it, you need to manually edit the conflicting files to remove the conflicting lines, then add and commit the changes.
- Answer: A merge conflict occurs when Git is unable to automatically merge changes from different branches.
- How do you rename a file in Git?
- Answer: You can rename a file in Git using the command
git mv <old_filename> <new_filename>.
- Answer: You can rename a file in Git using the command
- What is the purpose of Git branches?
- Answer: Git branches allow developers to work on different features or fixes simultaneously without interfering with each other.
They provide a way to isolate changes until they are ready to be merged into the main branch.
- Answer: Git branches allow developers to work on different features or fixes simultaneously without interfering with each other.
- How do you delete a branch in Git?
- Answer: You can delete a branch in Git using the command
git branch -d <branch_name>. If the branch has not been merged yet and you want to force delete it, you can usegit branch -D <branch_name>.
- Answer: You can delete a branch in Git using the command
- What is the Git stash command used for?
- Answer: The Git stash command is used to temporarily store changes that are not ready to be committed, allowing you to switch branches or perform other operations without losing your work.
