GIT is the open source distributed version control system that facilitates GitHub activities on your laptop or desktop. This cheat sheet summarizes commonly used Git command line instructions for quick reference.

INSTALL GIT

FOR ubuntu
sudo apt-get install git

COMMAND

CONFIGURED TOOLING

1. Sets the name your want ro attached to your commit transactions
   git config --global user.name "[name]"
2. Sets the email you want attached to your commit transactions
   git config --global user.email "[email address]"
3. Enables helpful colorization of command line output
   git config --global color.ui auto

CREATE REPOSITORIES

1. Creates a new local repository with the specified name
   git init [project-name] or cd [project-name] && git init
2. Downloads a project and its entire version history
   git clone [url]

MAKE CHANGES

1. Lists all new or modified files to be commited
   git status
2. Show file differences not yet staged
   git diff
3. Snapshots the file in preparation for versioning
   git add [file]
4. Show file differences between staging and the last file version
   git diff --staged
5. Unstages the file, but preserve its contents
   git reset [file]
6. Records file snapshots permanently in version history
   git commit -m "[descriptive message]"

GROUP CHANGES

1. Lists all local branches in the current repository
   git branch
2. Create a new branch
   git branch [branch-name]
3. Switches to the specified branch and updates the working directory
   git checkout [branch-name]
4. Combines the specified branch's history into the current branch
   git merge [branch]
5. Deletes the specified branch
   git branch -d [branch-name]

REFACTOR FILENAMES

1. Deletes the file from the working directory and stages the deletion
   gti rm [file]
2. Removes the tile from version control but preserves the file locally
   git rm --cached [file]
3. Changes the file name and prepares it for commit
   git mv [file-original] [file-renamed]

SUPPRESS TRACKING

1. Lists all ignored files in this project
   git ls-files --other --ignored --exclude-standard

SAVE FRAGMENTS

1. Temporaily stores all modified tracked files
   git stash
2. Restores the most recently stashed files
   git stash pop
3. Lists all stashed changesets
   git stash list
4. Discards the most recently stashed changeset
   git stash drop

REVIEW HISTORY

1. Lists version history for the current branch
   git log
2. Lists verson history for a file, including renames
   git log --follow [file]
3. Shows content differences between two branches
   git diff [first-branch]...[second-branch]
4. Outputs metadata and content changes of the specified commit
   git show [commit]

REDO COMMIT

1. Undoes all commits after [commit], preserving changes locally
   git reset [commit]
2. Discards all history changes back to the specified commit
   git reset --hard [commit]

SYNCHRONIZE CHANGES

1. Downloads all history from the repository bookmark
   git fetch [bookmark]
2. Combines bookmark's branch into current local branch
   git merge [bookmark]/[branch]
3. Uploads all local branch commits to GitHub
   git push [alias] [branch]
4. Downloads bookmark history and incorporates changes
   git pull