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Git & Github 2021 Cheat Sheet

by anupmaurya
9 minutes read
Git & Github 2021 Cheat Sheet

Git is an open-source, version control tool created in 2005 by developers working on the Linux operating system; GitHub is a company founded in 2008 that makes tools which integrate with git. You do not need GitHub to use git, but you cannot use GitHub without using git.

This cheat sheet features the most important and commonly used Git commands for easy reference.


With platform specific installers for Git, GitHub also provides the ease of staying up-to-date with the latest releases of the command line tool while providing a graphical user interface for day-to-day interaction, review, and repository synchronization.

GitHub for Windows


GitHub for Mac


For Linux and Solaris platforms

the latest release is available on the official Git web site.

Git for All Platforms



Configuring user information used across all local repositories

git config --global user.name “[firstname lastname]”
  • set a name that is identifiable for credit when review version history
git config --global user.email “[valid-email]”
  • set an email address that will be associated with each history marker
git config --global color.ui auto
  • set automatic command line coloring for Git for easy reviewing


Configuring user information, initializing and cloning repositories

git init
  • initialize an existing directory as a Git repository
git clone [url]
  • retrieve an entire repository from a hosted location via URL


Working with snapshots and the Git staging area

git status
  • show modified files in working directory, staged for your next commit
git add [file]
  • add a file as it looks now to your next commit (stage)
git reset [file]
  • unstage a file while retaining the changes in working directory
git diff
  • diff of what is changed but not staged
git diff --staged
  • diff of what is staged but not yet committed
git commit -m “[descriptive message]”
  • commit your staged content as a new commit snapshot


Isolating work in branches, changing context, and integrating changes

git branch
  • list your branches. a * will appear next to the currently active branch
git branch [branch-name]
  • create a new branch at the current commit
git checkout
  • switch to another branch and check it out into your working directory
git merge [branch]
  • merge the specified branch’s history into the current one
git log
  • show all commits in the current branch’s history


Examining logs, diffs and object information

git log
  • show the commit history for the currently active branch
git log branchB..branchA
  • show the commits on branchA that are not on branchB
git log --follow [file]
  • show the commits that changed file, even across renames
git diff branchB...branchA
  • show the diff of what is in branchA that is not in branchB
git show [SHA]
  • show any object in Git in human-readable format


Versioning file removes and path changes

git rm [file]

delete the file from project and stage the removal for commit

git mv [existing-path] [new-path]

change an existing file path and stage the move

git log --stat -M

show all commit logs with indication of any paths that moved


Preventing unintentional staging or commiting of files


Save a file with desired patterns as .gitignore with either direct string
matches or wildcard globs.

git config --global core.excludesfile [file]

system wide ignore pattern for all local repositories


Retrieving updates from another repository and updating local repos

git remote add [alias] [url]

add a git URL as an alias

git fetch [alias]

fetch down all the branches from that Git remote

git merge [alias]/[branch]

merge a remote branch into your current branch to bring it up to date

git push [alias] [branch]

Transmit local branch commits to the remote repository branch

git pull

Fetch and merge any commits from the tracking remote branch


Rewriting branches, updating commits and clearing history

git rebase [branch]

apply any commits of current branch ahead of specified one

git reset --hard [commit]

clear staging area, rewrite working tree from specified commit


Temporarily store modified, tracked files in order to change branches

git stash

Save modified and staged changes

git stash list

ist stack-order of stashed file changes

git stash pop

write working from top of stash stack

git stash drop

discard the changes from top of stash stack

Hope this cheat-sheet is helpful to you. Share with your friends who loves to learn about git and its technologies.

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