5-Day Free Course · Systems Programming

C Programming The Language That Runs Everything

C is the language of operating systems, embedded systems, and high-performance computing. This course teaches you to write real C — pointers, memory management, structs, and file I/O — with the systems programming mindset that C demands.

5 days self-paced
Free forever
Text + external video refs
No signup required
$python main.py Starting server... $git push origin main Deployed successfully $pytest tests/ PASS 42 tests $
5
Days
15+
Code Examples
6+
External Videos
$0
Forever Free

No videos. On purpose.

This is a text-first course that links out to the best supporting material on the internet instead of trying to replace it. The goal is to make this the best course on c programming you can find — even without producing a single minute of custom video.

Pointers from Day 1

C without pointers is not C. This course introduces pointers on Day 1 and uses them throughout. No hand-holding around the hard parts.

Memory management is a first-class topic

malloc, free, memory leaks, buffer overflows — this course covers them properly because they're the source of most C bugs and all C security vulnerabilities.

Links to K&R and the C standard

The C Programming Language (Kernighan & Ritchie) is the canonical reference. This course links to relevant sections and complements the book.

Completes in 5 one-hour sessions

Each day is designed to finish in about an hour of focused reading plus hands-on coding. No live classes, no quizzes.

The 5 Days

Each day stands alone. Read them in order for the full picture, or jump straight to the day that answers the question you have today.

The best external videos on this topic.

Instead of shooting our own videos, we link to the best deep-dives already on YouTube. Watch them alongside the course. All external, all free, all from builders who ship this stuff.

Read the source.

The best way to go deeper on any topic is to read canonical open-source implementations. These repositories implement the core patterns covered in this course.

Three kinds of people read this.

Computer Science Students

Your CS program covers C but doesn't go deep on pointers and memory. This course fills that gap with the hands-on practice that makes it click.

Developers Learning Systems Programming

You write Python or JavaScript and want to understand what happens at the systems level. C is the language that shows you.

Embedded Systems and Firmware Developers

C is the primary language for embedded systems and firmware. This course builds the foundation you need for that domain.

Want to Master Systems Programming In Person?

The 2-day in-person Precision AI Academy bootcamp covers C, systems programming, and low-level engineering — hands-on with Bo. 5 U.S. cities. $1,490. 40 seats max. June–October 2026 (Thu–Fri).

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