If you're already familiar with the Linux command line, try these commands to help ease into FreeDOS
FreeDOS
With a little knowledge of programming, you can learn all kinds of things about how computers work
Environment variables are helpful in almost every command-line environment, including FreeDOS
DOS filenames are 8.3, space padded, so you cannot have spaces at the end
A short program to demonstrate that yes, DOS filenames can have spaces in them
Learn how to configure FreeDOS with FDCONFIG.SYS
Start by learning a simple system and work your way up from there.
If you're already familiar with GNU Emacs, you should feel right at home in Freemacs.
Here's a helpful guide to batch files under FreeDOS.
Two great programs to let you listen to music and audio files on DOS.
Install Bywater BASIC on your FreeDOS system and start experimenting with BASIC programming.
Learn how to use FDIMPLES, the FreeDOS package manager.
FreeDOS provides a user-friendly text editor called FreeDOS Edit.
It’s December, and that means it’s #DOScember - so let’s celebrate with a weeklong series about FreeDOS.
Learn how to write your first C program on FreeDOS with this example.
Write text anywhere on the screen using conio.