gitcore-tutorial
1. the Git User Manual file:///usr/local/share/doc/git/user-manual.html 2. Randy Dunlap's presentation https://web.archive.org/web/20120915203609/http://www.xenotime.net/linux/mentor/linux-mentoring-2006.pdf
2. Randy Dunlap's presentation https://web.archive.org/web/20120915203609/http://www.xenotime.net/linux/mentor/linux-mentoring-2006.pdf