Demo

Hello world this is my github testing.

Generating ssh or deploy keys for a repository

ssh-keygen -t rsa -b 4096 -C "[email protected]"

git commands

set default push branch for current branch

git push -u origin <branch name>

list all branches

git branch

create or switch to a branch

git checkout -b <branch name>

deleting a branch

git branch -d <name of the branch> 

showing the differences between two branches

git diff <other branch name>

committing new changes not newly created files

git commit -am "message"

merging

git merge <branch name>

resetting a change

git reset <empty or file name>

resetting last or further commit

git reset HEAD<~<a number>>
git reset HEAD~1
git reset HEAD~2

log your commits

git log // you can reset(reset stages without saving change locally) from a certain point by using commit hash instead of HEAD

completely undo change(stages + local)

git reset --hard <hash or HEAD>

Useful links

https://gist.github.com/gubatron/d96594d982c5043be6d4