Git Flashcards
What is Git?
Git is a distributed version control system designed to handle projects of all sizes efficiently.
How does Git differ from SVN?
Git is distributed, every dev’s copy is a full-fledged repository, unlike SVN’s single repository approach.
What is a ‘commit’ in Git?
A commit in Git is a snapshot of your repository’s history at a specific point, containing changes and a message.
Explain ‘branching’ in Git.
Branching lets developers diverge from the main code base for new features or fixes without affecting the main line.
What is a ‘merge’ in Git?
Merging is integrating changes from one branch into another in Git.
Define ‘rebase’ in Git.
Rebase is a method of moving a series of commits to a new base commit.
What is a ‘pull request’?
A pull request is a method of submitting contributions to a project, requesting the maintainer to pull your changes.
Describe ‘forking’ a repo.
Forking a repo involves making a personal copy of someone else’s project to work on it separately.
What is a ‘conflict’ in Git?
A conflict arises in Git when two branches have edits in the same line or one branch deleted a file that another modified.
How do you resolve a merge conflict in Git?
To resolve a merge conflict in Git, manually edit the files, then mark them as resolved and complete the merge.
Explain the concept of ‘blame’ in Git.
git blame shows who last modified each line of a file.
What is a ‘bare’ repository in Git?
A bare repository in Git is a repository that does not contain a working directory.
How do you rename a local Git branch?
Use git branch -m to rename a branch.
What does git push do?
git push uploads local repository content to a remote repository.
Explain ‘fast-forward’ merge in Git.
A fast-forward merge is where the target branch’s tip is advanced to the source branch’s tip.
How do you create a tag in Git?
Use git tag to create a new tag.
What is a ‘detached HEAD’ in Git?
Detached HEAD means you are currently checking out a commit rather than a branch.
Explain the use of git show.
git show is used to display various types of objects in Git.
What is ‘origin’ in Git?
Origin is the default upstream repository in Git.
How do you find a commit where a specific change was introduced?
Use git bisect to find the commit that introduced a bug.
Explain the use of git submodule.
git submodule allows you to keep a Git repository as a subdirectory of another Git repository.
What is git archive?
git archive is used to create an archive of the files from a named tree.
How do you amend a commit in Git?
Use git commit --amend to amend the most recent commit.
What is the use of git grep?
git grep is used to search for phrases and words in the Git repository.
Explain the use of git blame -w.
git blame -w ignores whitespace when determining the author of a line.
How do you list all the remote repositories configured?
Use git remote -v to list all configured remote repositories.
What is git gc?
git gc is a housekeeping command that cleans up unnecessary files and optimizes the local repository.
Explain the concept of ‘hooks’ in Git.
Hooks in Git are scripts that run automatically every time a particular event occurs in a Git repository.
How do you list all tags in Git?
Use git tag to list all tags.
What is git ls-tree?
git ls-tree lists the contents of a tree object, including blobs and subtrees.
