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

Terminal command prompt on orange background

Take advantage of all of the powers the almighty Linux command line has to offer.
Terminal command prompt on orange background

Bash is the default command line shell on most Linux systems. So why not learn how to get the most out of it?
Person using a laptop

The FED editor lets me code my FreeDOS projects easily and efficiently. Learn to make the most of this flexible Linux, Windows, and DOS editor.
Cheat Sheet cover image

When that pesky command is just at the tip of your tongue, a handy cheat sheet will save the day. This list of cheat sheets covers everything from programming languages to collaboration tools.
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This "guess the number" game is a great introductory program when learning a new programming language. Here's how to write it in C.

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.
Penguins

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