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.

Authored Content

Typewriter in the grass

Learning groff, an old-school text processor, is like learning to ride a bicycle.
Developing code.

Compare 13 different programming languages by writing a simple game.
Typewriter keys in multicolor

Write an awk script to determine the most (and least) common letters in a set of words.
4 manilla folders, yellow, green, purple, blue

Understanding I/O can help you do things faster.
Terminal command prompt on orange background

Take advantage of all of the powers the almighty Linux command line has to offer.

Contributed Content

Gift box opens with colors coming out

What was the best gift you received as a sysadmin? Take our poll and check out some gift ideas for Sysadmin Appreciation Day.

Celebrating Penguin Awareness Day with stories about the moment we learned about Linux.