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The command "git init" is used to initialize a new Git repository in your current working directory.
When you run "git init" command, it creates a new subdirectory named ".git" in your current directory. This directory contains all the necessary files and subdirectories that Git uses to keep track of version control information, such as the commit history, branches, configurations, and more.
Once you initialize a Git repository with "git init", you can start tracking changes to your files by adding them to the staging area using "git add" command, and then creating commits to save the changes using "git commit" command.
It is important to note that "git init" should usually be run only once in a directory. If you try to run it in an existing Git repository, it will not have any effect.