Simple shell script to backup all GitHub repos for specified user
Well, there are many solutions, which will not only backup your repositories but also prepare a pizza for you and clean after itself. Here it is very simple Bash-written script to do this task easily without any questions in one go. Nothing more.
and you will get tgz archive of all GitHub repos. It's simple!
Use it without any installation
curl "https://raw.github.com/ptrofimov/github-backup-sh/master/github-backup.sh" | sh -s <username>