Initialize

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Command	Description
git init	Initialize a local Git repository

Create

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Command	Description
git clone https://github.com/[username]/[repository].git git clone ssh://[email protected]/[username]/[repository].git	Create a local copy of a remote repository
E.g: git clone https://github.com/johndoe/my-repository.git
E.g: git clone ssh://[email protected]/johndoe/my-repository.git

Status

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Command	Description
git status	Check status

Adding files

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Command	Description
git add [filename]	Add a filename to the staging area
git add -A git add .	Add all new and changed files to the staging area

Commit changes

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Command	Description
git commit -m "[message]"	Commit changes
E.g: git commit -m "Added some new code in index.html"

Branching & Merging

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Command	Description
git branch	List branches (the asterisk denotes the current branch)
git branch -a	List all branches (local and remote)
git branch [branch_name]	Create a new branch
E.g: git branch development
git branch -d [branch_name]	Delete a branch
E.g: git branch -d development
git checkout -b [branch_name]	Create a new branch and switch to it
E.g: git checkout -b development
git checkout [branch_name]	Switch to a branch
E.g: git checkout development
git checkout -	Switch to the branch last checked out
git checkout -- [filename]	Discard changes to a file
E.g: git checkout -- index.html
git merge [branch_name]	Merge a branch into the active branch
E.g: git merge development
git merge [source_branch] [target_branch]	Merge a branch into a target branch
E.g: git merge development master
git stash	Stash changes in a dirty working directory
git stash clear	Remove all stashed entries

Updating Projects

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Command	Description
git push origin [branch_name]	Push a branch to your remote repository
E.g: git push origin development
git push -u origin [branch_name]	Push changes to remote repository (and remember the branch)
E.g: git push -u origin development
git push	Push changes to remote repository (remembered branch)
git push origin --delete [branch name]	Delete a remote branch
E.g: git push origin --delete development
git reset --hard HEAD	Scrap uncommitted state and return the working tree to the last committed state
git reset --hard HEAD~1 and then git push origin master --force	Delete the latest commit, and return to the one previous (one before HEAD)
git rm --cached [file/folder]	Stop a file being tracked (but do not delete it from the working directory, add to .gitignore etc after this)

Inspection & Comparison

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Command	Description
git log	View changes
git log --summary	View changes (detailed)
git diff [source_branch] [target_branch]	Preview changes before merging
E.g: git diff development master