Add Markdown format of Git Cheat Sheet

Author: jordanmccullough

downloads/github-git-cheat-sheet.md

@@ -0,0 +1,166 @@
+# GitHub Git Cheat Sheet
+
+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
+GitHub provides desktop clients that include a graphical user interface for the most common repository actions and an automatically updating command line edition of Git for advanced  scenarios.
+
+### GitHub for Windows
+https://windows.github.com
+
+### GitHub for Mac
+https://mac.github.com
+
+Git distributions for Linux and POSIX systems are available on the official Git SCM web site.
+
+###Git for All Platforms
+http://git-scm.com
+
+## Configure tooling
+Configure user information for all local repositories
+
+```git config --global user.name "[name]"```
+Set your name that will be recorded for commit transactions
+
+```git config --global user.email "[email address]"```
+Set your email address that will be  saved for commit transations
+
+```git config --global color.ui auto```
+Enable helpful colorization of command line output
+
+
+## Create repositories
+Start a new repository or obtain one from an existing URL
+
+```git init [project-name]```
+Create a new local repository with the specified name
+
+```git clone [url]```
+Download a project and its entire version history
+
+## Make changes
+Review edits and craft a commit transaction
+
+```git status```
+List all new or modified files to be committed
+
+```git diff```
+Show file differences not yet staged
+
+```git add [file]```
+Snapshot the file in preparation for versioning
+
+```git diff --staged```
+Show file differences between staging and the last file version
+
+```git reset [file]```
+Remove the file from the staging area
+
+```git commit -m"[descriptive message]"```
+Record file snapshots permanently in version history
+
+## Group changes
+Name a series of commits and combine completed efforts
+
+```git branch```
+List all local branches to the current repository
+
+```git branch [branch-name]```
+Create a new branch
+
+```git checkout [branch-name]```
+Switch branches with respect to its specific commits
+
+```git merge [branch-name]```
+Combine the specified branch’s history into the current one
+
+```git branch -d [branch-name]```
+Delete the specified branch
+
+
+## Refactor filenames
+Relocate and remove versioned files
+
+```git rm [file]```
+Delete the file from the project prepare the removal for commit
+
+```git rm --cached [file]```
+Remove the file from version control but keep in project directory
+
+```git mv [file-original] [file-renamed]```
+Change the filename and prepare it for commit
+
+## Supress tracking
+Exclude temporary files and paths
+
+```
+*.log
+build/
+temp-*
+```
+Create a _.gitignore_ text file supress accidental versioning of files and paths matching the specified glob patterns
+
+```git ls-files --other --ignored --exclude-standard```
+List all ignore pattern matched files in project
+
+## Save fragments
+Shelve and restore incomplete changes
+
+```git stash```
+Temporarily store all modified, tracked files
+
+```git stash pop```
+Restore the most recent stashed files
+
+```git stash list```
+List all shelved changes
+
+```git stash drop```
+Discard the most recent stashed files
+
+## Review history
+Browse and inspect the evolution of project files
+
+```git log```
+List all version history for the current branch
+
+```git log --follow [file]```
+List version history for a file and possible renames
+
+```git diff [first-branch]...[second-branch]```
+Show content differences between two branches
+
+```git show [commit]```
+Output all details of the specified commit
+
+## Redo commits
+Erase mistakes and craft replacement history
+
+```git reset [commit]```
+Undo all commits after commit while preserving changes
+
+```git reset --hard [commit]```
+Discard all history and changes back to specified commit
+
+## Synchronize changes
+Register a repository bookmark and exchange version history
+
+```git fetch [bookmark]```
+Download all history from the repository bookmark
+
+```git merge [bookmark]/[branch]```
+Combine bookmark’s branch into into current local brancha
+
+```git push [alias] [branch]```
+Upload all local branch commits to GitHub
+
+```git pull```
+Sychronize bookmark history and current branch all at once
+
+---
+
+## GitHub Training
+Learn more about using GitHub and Git. Email the Training Team or visit our web site for learning event schedules and private class availability.
+
+* [email protected]
+* trianing.github.com