GIT Interview Questions and Answers



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Top GIT Interview Questions and Answers - 2021 [UPDATED]

Are you looking for GIT Interview Questions and Answers? Than you are at the Right Place. Browse through Popular and Most Asked Interview Questions for GIT.  There is a Huge Demand for GIT Professionals in the Market. These Questions are suitable for both Freshers and Experienced Professionals and are based on Trending Topics and as per Current Industry Requirements.

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GIT Interview Questions and Answers

  • 45 Questions

Version control systems are software tools that help a team manage changes to source code/documents over time.

They allow you to Keep track of code changes. Can help team memembers to synchronize the code to the latest version easily. It helps teams to develop products faster. Helps teams to collaborate with each other easily. It acts as a backup for your code base.

Distributed revision control synchronizes repositories by transferring patches from peer to peer. There is no single central version of the codebase instead, each user can download a working copy and the full change history. Hence not requiring to be connected to the server all the time. Example : GIT

It is a version control where there is a single central repository hosted on a server. This server is expected to have the latest code and expects all its clients to contribute by being connected to the server always.

Git mainly uses three different types of objects to hold information about a repository BLOB – binary form of the actual data TREE – It contains pointers to the objects COMMIT – Commit object contains information about the author, date, hash id made for a particular commit

Yes, if a person is willing to work on the project alone he can use git to maintain the state of the project. However the full potential of git is unutilized.

A conflict in git arises when branches are merged with new commits which has changes on same file(s). In cases like this git cannot take precendence of changes hence it raises a conflict. It is necessary for git to highlight conflict because they can only be solved case by case manually. Hence they aren’t notified to the user to fix them before a merge.

Git fetch will download new commits from a remote repository to a local repository git pull does the same as git fetch and also merges the same into your local working files

The files in conflict must be edited and fixed. Then add the resolved files by running git add . git commit

When changes are made to the working directory but you don’t want to commit, nor loose the changes by attempting to recreate a clean working directory. GIT stash is used where all changes in working directory and Index are are pushed into a stack.

C was the major language althought few parts were also written using shell, perl, tcl and python

git config allows you to configure git installation. example includes setting user name , password, email etc

Git clone lets users to copy an exising git repository that resides in the server. It is the easiest way that a new developer can start using and contributing to the project

Branching is analogus to a storyline on which changes are made. The changes can resides in different branches so that each branch can make changes independent of each other.

cherry pick allows you to pick a particular commit from a branch and insert to another branch. This is different from git merge in that, git merge will bring in all commits from branches while cherry pick picks a specific commit only

It is a workflow that can be used to maintain large projects and it mainly consists of The master branch is always ready for live release with everything production-ready. The Hotflix branches help in quick patching of production releases. The Develop branch helps in merging of all feature branches and also performs all the tests. The Feature branch implies a unique branch for every new feature. The feature branch could be pushed to the development branch just like their parent branch.

git rebase [new-commit]

When plannning to cascade/notify new activities on git server to a different tool like jenkins, git webhook is used. the webhook contains information about the activity (ex: push on the server).

Its a command that helps in directing a web browser and running a web server with an interface to the local repository.

No. since git uses sha1 to only hash data to compare files/maintain state and not in encryption. it doesn’t bother git

It is the message assigned to a commit made. When a commit is made a hash is assigned automatically but for humans it becomes difficult to make anything out of this hash at later point of time. Hence a commit message is assigned along for his future reference

git cola, git gui

Git diff represents the changes between the commits and changes between working tree and commits.

The command git pull origin master tells git to perform a pull operation (download a copy of repository) wherer the origin represents the server url (alias) and master is the name of the branch

It is basically a command that can be executed when it comes to finding the history of a project according to the date, changes made, the developer who handled it and usefulness of the same.

Perform git push from the branch he is currently checked out to.

Its the command that uses a binary search algorithm to find which commit in the project’s history has introduced a bug.Before the bug is introduced into the commit, the commit is referred as “good”; after the introduction of the bug, it is referred as “bad”.Then the command used picks a commit between those endpoints and asks what kind of commit is it. The process continues till it finds the exact commit that introduced the change.

Its the command that helps you remove the last entry made to the stash list or it can also help to eliminate any stash entry

It cleans a repository by removing the files that are not currently tracked by git recursively.

It is the command that helps you retrieve the changes pushed on the stack.

A fork is a copy of a repository. Forking a repository allows you to freely experiment with changes without affecting the original project. Generally open source projects follow fork workflow to allow users to contribute to the project.