Git Checkout

The git checkout command lets you navigate between the branches created by the git branch. It lets you check files in the working directory to match the version stored in that branch. 

$ git checkout branch_name 

This command can be easily confused with git clone but both are different. The difference between the two commands is that clone works to fetch code from a remote repository, alternatively, checkout works to switch between versions of code already on the local system.  

Other Related Terminologies

push : This command is used to push the files from your local machine to the GitHub repository. 

$ git push -f origin master

fetch : It is useful when you are interacting with the remote repository. Basically, this command is used to retrieve the work done by other people and update your local project accordingly. 

$ git fetch remotename

pull request: It is a method of submitting your contributions to the project. It occurs when a developer asks for changes committed to an external repository to be considered for inclusion in a project’s main repository after the peer review. 

$ git pull remote_name

Fetch the specified remote’s copy of the current branch and immediately merge it into the local copy. This command is the same as git fetch followed by git merge 
 

Deleting any tag: For deleting any tag navigate to your local GitHub repository and type the following command : 

$ git tag -d tagName 
$ git push origin :tagName 

Pre-requisite: Git & GitHub 

Collaboration is the way different people can work on the same project together. It is like creating a group in GitHub just like Groups in other social media. The people added to the collaborator’s list can be able to push, merge, and do other kinds of similar things on the project.