Jim Hall

5850 points

| Connect jimfhall

Minnesota

Jim Hall is an open source software advocate and developer, best known for usability testing in GNOME and as the founder + project coordinator of FreeDOS. At work, Jim is CEO of Hallmentum, an IT executive consulting company that provides hands-on IT Leadership training, workshops, and coaching.

Open Sourcerer People's Choice Award People's Choice Award 2018 Author Linux Contributor Club

Authored Content

Bug tracking magnifying glass on computer screen

5 common bugs in C programming and how to fix them

Five ways to make your C programs more resilient and reliable.

Digital creative of a browser on the internet

Debug a web page error from the command line

One way to debug a web server is by using the wget command-line program.

How to use digiKam for photo management

Resize an image from the Linux terminal

Shrink an image from your terminal with the ImageMagick convert command.

Polaroids and palm trees

Create a photo collage from the Linux command line

Here's how I use ImageMagick to make photo grids for my social media posts.

Person using a laptop

Get started programming with DOS conio

Create various practical and exciting applications by programming with conio.

question mark in chalk

Write a guessing game in ncurses on Linux

Use the flexibility and power of ncurses to create a guess-the-number game on Linux.

Authored Comments

photo of Jim Hall

17 Jun 2021

Why FreeDOS has 16 colors

Thanks for the great comment, David! I'd completely forgotten about underlined text.

photo of Jim Hall

23 Apr 2021

How I use OBS Studio to record videos for my YouTube channel

Thanks Alan!