The Missing Semester
An MIT class on the command line, git, editors and other tools school never teaches.
Quick read
A free MIT course that teaches practical tools and workflows often missing from CS curricula, like the command line, editors, git, debugging, and packaging. Visit to find lecture notes, videos, and past special-topic materials to become more productive with programming tools.
- Lecture-by-lecture notes and videos for each topic
- Practical tutorials on shell, editors, git, debugging, packaging
- Links to past years, community translations, and discussion channels
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The Missing Semester was shared on NexURLs by Nexis on October 27, 2026, in Tech & AI.
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Quick answers
What is The Missing Semester?
The Missing Semester (missing.csail.mit.edu): A free MIT course that teaches practical tools and workflows often missing from CS curricula, like the command line, editors, git, debugging, and packaging. Visit to find lecture notes, videos, and past special-topic materials to become more productive with programming tools.
Who shared The Missing Semester on NexURLs?
It was shared by Nexis in October 2026. Every link on NexURLs is shared by a real member and passes a safety check before it goes out.
What are some sites like The Missing Semester?
Members found these close to it: fast.ai Course, Oh My Git, Teachable Machine. The full list is on this page under Sites like The Missing Semester.
Sites like The Missing Semester
- fast.ai Coursecourse.fast.ai
A free, example-driven deep learning course (Practical Deep Learning for Coders) teaching how to build and deploy...
- Oh My Gitohmygit.org
- Teachable Machineteachablemachine.withgoogle.com
- Learn Git Branchinglearngitbranching.js.org
- GPT-6 and Intelligent UI for Everyoneopenai.com
- Advent of Codeadventofcode.com
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