Git Basics

Git stores data as snapshots of the project over time When commit Save all the files If files have not changed, point to the previous identical file To be more efficient Create a ID to reference the commit ID=SHA1

Other SCM systems Other systems tend to store data as changes to a base version of each file.

Initializing a Repository in an Existing Directory Create a folder Inside the folder $ git init

.git Folder Init command creates.git folder Local repository Invisible folder To display invisible folders $ ls -la

Inside.git folder $ ls –l.git

Your Identity Keep tracking of who worked on the code Name Example $ git config --global user.name "John Doe" $ git config --global user. Identify is save in.gitconfig –Under the home foler

Cat.gitconfig Show the configuration information

Adding and Committing

Staging Area Before and after git add

Recover files from.git You can recover them from.git (local repository) After deleting files from working directory