GitHub is offering an online Git training course on April 11, led by Matthew McCullough of Ambient Ideas, designed to help participants quickly learn the basics of Git from their home or office. The course consists of six 50-minute sessions covering foundational Git commands and runs from 11:00 am to 6:00 pm EST, with a cost of $195 for one student or $435 for three students. Previous attendees have praised the course for its clarity, practical examples, and professional presentation, noting that it made them more comfortable with Git and highlighted the power of features like rebase.