Usefull Basic Git Commands

git add <filename>, git add *

Add one or more files to staging (index)

git commit -m "Commit message"

Commit changes to head (but not yet to the remote repository)

git commit -a

Commit any files you've added with git add, and also commit any files you've changed since then

git push --all origin

Push all branches to your remote repository

git pull

Fetch and merge changes on the remote server to your working directory

git merge 

To merge a different branch into your active branch

More Details: Basic Git commands