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1. Basic Commands                                                                             

• git init: command is used to add a new Git repository in the current directory.
• git clone: Creates a local working copy of an existing remote repository.
• git status: Shows the current state of the working directory and staging area, indicating changes that are staged or untracked.
• git add : Adds a file (or files) to the staging area, preparing them for a commit.
• git commit -m "message": Commits the changes in the local repository with a descriptive message to describe to everyone and help them understand the changes made.

2. Branching and Merging

• git branch: Is used to list all branches in the current repository. The active branch is highlighted.
• git checkout:  Switches branches whenever the work is to be started in a different branch.
• git merge: Command is used to merge changes from one branch to another.

3. Pushing and Pulling

• git pull: Fetches changes from a remote repository and merges them into the local repository.
• git push: Pushes your committed changes form the local repository to the remote repository.

4. History and Tracking

• git log: Command displays the order of the commit history for the repository.
• git diff: Is used to show the differences between files in the working directory and the latest commit.
• git blame : Displays line-by-line changes to a file, showing who made each change.

5. Undoing Changes

• git reset : Command removes a file from the staging area, but keeps changes in the working directory.
• git revert : Creates a new commit that reverses the specified commit.
• git checkout -- : Reverts changes to a file, restoring it to the last committed state.

6. Stashing Changes

• git stash: Command temporarily saves changes that are not yet ready to be committed.
• git stash pop: Command allows you to apply the stashed changes back to the working directory.

7. Remote Repositories

• git remote: Command creates, views and delete any connections to other repositories.
• git remote add origin : Adds a remote repository as the origin.
• git fetch: Command downloads objects and references from a remote repository without merging.

Conclusion