We ❤️ Open Source

A community education resource

Jim Hall

Jim Hall is an open source software developer and advocate, probably best known for his work on the FreeDOS Project. At work, Jim is CEO of Hallmentum, an IT executive consulting company that provides hands-on IT Leadership training, workshops, and coaching.

We ❤️ Open Source

Jim Hall

Social

Articles by Jim Hall

5 FreeDOS editors I love

From HTML to AI: What the modern technical writer’s toolkit looks like

How slow was the Teletype?

A Linux and Unix experiment – Part 3: Writing several C programs

A Linux and Unix experiment – Part 2: Preparing a document using nroff

A Linux and Unix experiment – Part 1: Writing a FORTRAN 66 program

A throwback experiment with Linux and Unix: Introduction and set-up

Unix user commands reference guide

Technology history: Where Unix came from

Unix 4th edition commands reference guide

Getting started with the ‘ed’ editor

How to navigate the command line

Explore the five steps of the FreeDOS boot sequence

Learning to program: 2 ways to copy files in C

Looking ahead to 30 years of FreeDOS

Explore regular expressions by playing a word game

Celebrating 60 years of BASIC and why it’s still relevant for new programmers

5 elements to explore in ODT files

Learn about machine language with this retro computer simulator

Another open source DOS: A new reference for how MS-DOS worked under the hood

How to make a web color palette with Bash tutorial

Automation tips for using ‘if’ statements in Bash scripts

4 lessons from my first open source contribution

Automating jobs with ‘cron’

Learn programming by exploring these tech history milestones