Cover art for podcast Command Line Heroes

Command Line Heroes

43 EpisodesProduced by Red HatWebsite

Stories about the people transforming technology from the command line up.

43 Episodes | 2017 - 2020

Dr. Gladys West: The Mathematician Who Reshaped Our World

October 27th, 2020


Aristotle and Eratosthenes are big names in geodesy. They got pretty close to measuring the size of the Earth. But the woman who got it done? She grew up a farmer, dreaming of something bigger. And her work …

Jerry Lawson: The Engineer Who Changed the Game

October 13th, 2020


Many of us grew up playing cartridge-based games. But there's few who know the story behind how those cartridges came to be. And even fewer who know the story of the man behind them: Jerry Lawson. 

Few people …

Command Line Heroes: Meet the Inventors

September 29th, 2020


Inventors don’t always get the credit they deserve, even for world-changing breakthroughs.  

Season 6 of Command Line Heroes tells the …

What Kind Of Coder Will You Become?

August 11th, 2020


The 10x Coder is often positioned as a mythical developer who can always save the day. Saron and Clive investigate how much of that myth is grounded in truth. 

 Greg Sadetsky argues that coding is much like …

Where Coders Code

July 28th, 2020


Home office. Corporate park. Co-working space. Funland campus. Coders expect options when it comes to their workplace. The relocation of the average workspace from the office to the home has revealed the …

Becoming a Coder

July 14th, 2020


Command line heroes are software engineers, developers, programmers, systems administrators—coders. That variety in coding careers is almost as varied as the paths coders take to land their jobs. 

 Saron Yitbarek

Introducing Season 5 of Command Line Heroes

June 30th, 2020


After four seasons of epic tales about how command line heroes have shaped the tech landscape, we're tackling a new topic: the job itself. 

 Season 5 covers the job of being a coder. How coding careers begin. …

One More Thing with Steve Wozniak

May 4th, 2020


Steve Wozniak (aka Woz) has had a tremendous effect on the world of hardware. Season 4 features many of the devices he’s designed, built, worked on, and been inspired by. But for Woz, what’s most important …

Consoles: The Dreamcast's Life After Death

April 21st, 2020


Gaming consoles are pioneering machines. The Dreamcast pushed the limits of what even consoles could do. But that wasn’t enough to guarantee …

Open Source Hardware: Makers Unite

April 7th, 2020


People never stop tinkering. Hardware hacking didn’t disappear after personal computers became mainstream. But it did change. A new generation of artists, designers, and activists are banding together to change …

Smarter Phones: Journey to the Palm-Sized Computer

March 24th, 2020


Few could imagine what a handheld computer would look like—or even do. But a trio of visionaries saw where computing was headed. To succeed …

Floppies: The Disks that Changed the World

March 10th, 2020


The floppy disk was one of the greatest breakthroughs in computing. It helped spin up the software industry with a format that endured for decades. And in some cases, it’s conserved treasures once thought to be …

Personal Computers: The Altair 8800 and the Dawn of a Revolution

February 25th, 2020


The Altair 8800 is why we have computers in most homes today. It was initially designed for hobbyists. But a few visionaries saw massive potential in this strange little machine—and worked hard to make others …

Mainframes: The GE 225 and the Birth of BASIC

February 11th, 2020


The computing industry started booming after World War II. General Electric’s CEO refused to enter that market. But a small team of rebel …

Minicomputers: The Soul of an Old Machine

January 28th, 2020


They don’t fit in your pocket. But in their day, minicomputers were an order of magnitude smaller than the room-sized mainframes that …

Introducing Season 4 of Command Line Heroes

January 14th, 2020


No one ever said hardware was easy. In Season 4, Command Line Heroes is telling 7 special stories about people and teams who dared to change …

The C Change

October 1st, 2019


C and UNIX are at the root of modern computing. Many of the languages we’ve covered this season are related to or at least influenced by C. But C and UNIX only happened because a few developers at Bell Labs …

Talking to Machines: LISP and the Origins of A.I.

September 17th, 2019


Creating a machine that thinks may have seemed like science fiction in the 1950s. But John McCarthy decided to make it a reality. And he …

Heroes in a Bash Shell

September 3rd, 2019


Shells make large-scale IT possible. They’re a necessary component to modern computing. But it might not have turned out that way without a lot of hard work from a developer at the Free Software Foundation

The Infrastructure Effect: COBOL and Go

August 20th, 2019


Languages used for IT infrastructure don’t have expiration dates. COBOL’s been around for 60 years—and isn’t going anywhere anytime soon. We maintain billions of lines of classic code for mainframes. But we’re …

Diving for Perl

August 6th, 2019


Languages come and go. A few have the right stuff to rise to the top—and fewer stay there. Perl had a spectacular rise, a quiet slump, and …

Creating JavaScript

July 23rd, 2019


A mission to set the course of the world wide web in its early days. 10 days to get it done. The result? An indispensable language that …

Learning the BASICs

July 9th, 2019


Becoming a programmer used to require a Ph.D. and having access to some serious hardware. Then, in 1965, a couple of engineers had a radical idea: make it easier for people to get started.

Beginner languages, …

Python’s Tale

June 25th, 2019


A benevolent dictator for life steps down and changes the course of the Python language forever. Guido van Rossum’s “Transfer of Power” memo …

Introducing Season 3 of Command Line Heroes

June 11th, 2019


Command Line Heroes is back for Season 3. We’re exploring the epic history of programming languages and how communities affect their development. We're talking Python, learning about JavaScript, and diving into …

Open Curiosity: NASA, Mars, and Beyond

December 18th, 2018


The best and brightest took us to the moon with the computing power of pocket calculators. Now they’re taking us farther—and they’re doing …

Bonus: Developer Advocacy Roundtable

December 17th, 2018


Developer advocates play important roles in open source communities. We brought a few of them together to explain how and why they do what …

At Your Serverless: Development Empowerment with Control

December 4th, 2018


What does serverless really mean? Of course there are still servers—the basics of the internet aren’t changing. But what can developers accomplish when someone else handles the servers?

Serverless computing …

The Data Explosion: Processing, Storage, and the Cloud

November 20th, 2018


Big data is going to help solve big problems: how we grow food; how we deliver supplies to those in need; how we cure disease. But first, we …

The One About DevSecOps: Evolving Security and Reliability

November 6th, 2018


Bad security and reliability practices can lead to outages that affect millions. It’s time for security to join the DevOps movement. And in a DevSecOps world, we can get creative about improving security.

Fail Better: Embracing Failure

October 23rd, 2018


Failure is the heartbeat of discovery. We stumble a lot trying new things. The trick is to give up on failing fast. Instead, fail better.

This episode looks at how tech embraces failure. Approaching failure …

Ready to Commit: Contributing to Open Source

October 9th, 2018


Looking to get into open source but not sure where to start? Are you a contributor trying to understand why only some pull requests get …

Hello, World: Programming Languages for the Polyglot Developer

September 24th, 2018


Every new programming language is created to do something previously impossible. Today, there are quite a few to choose from. But which ones do you really need to know?

This episode dives into the history of …

Press Start: How Gaming Shapes Development

September 11th, 2018


Before the terms 'open source' and 'internet' were even coined—there were gamers. They created proto-open source communities, sharing and building upon each other’s work. For many programmers, gaming led them …

Introducing Season 2 of Command Line Heroes

August 28th, 2018


In Season 2 of Command Line Heroes, we’re living on the command line, tracking the changes that shape the world of open source development. We’re discovering the origins of programming languages; mastering the …

Days of Future_Open

March 27th, 2018


Imagine a world where open source never caught on, where no one thought it’d be a good idea to make source code available to anyone. In this episode, we imagine this bizarre possibility. And we celebrate the …

Crack the Cloud_Open

March 13th, 2018


“There is no cloud. It's just someone else's computer.” Or server, to be exact. Big cloud providers offer a relatively easy way to scale out workloads. But what’s the real cost?

In this episode, we talk about …

The Containers_Derby

February 27th, 2018


The rise of Container technologies opens a new frontier for developers, simplifying the movement of work from machine to machine. As …

DevOps_Tear Down That Wall

February 13th, 2018


As the race to deliver applications ramps up, the wall between development and operations comes crashing down. When it does, those on both sides learn to work together like never before.

But what is DevOps, …

The Agile_Revolution

January 30th, 2018


It's the turn of the 21st century. Open source software is changing the tech landscape. But new patterns of work have now become necessary. …

OS Wars_part 2: Rise of Linux

January 16th, 2018


It's the 1990s. The empire of Microsoft controls 90% of users. Complete standardization of operating systems seems assured. But an unlikely …

OS Wars_part 1

January 16th, 2018


The O.S. Wars. The 1980s is a period of mounting tensions. The empires of Bill Gates and Steve Jobs careen toward an inevitable battle over proprietary software—only one empire can emerge as the purveyor of a …


December 1st, 2017


Introducing a show about the developers, programmers, hackers, geeks, and open source rebels who are shaping our digital future.

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