Eugene recommended Pro Git. 2 months ago
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Felipe recommended Pro Git. 3 months ago
The Git Book is the official tutorial about Git.
Try Git: Code School
Code School - Try Git is an interactive git tutorial.
You can find on Stackoverflow several pertinent questions (like: "how to move a change from the main branch to another?") with lot of upvotes (showing that lot of people
Git immersion is a guided tour that walks through the fundamentals of git, inspired by the premise that to know a thing is to do it.
Lynda.com Git Essential Training
Lynda.com offers thousands of video courses in software, creative and business skills, including a 6h26m "Git Essential Training" course.