Why DOS only has 16 colors
Have you ever wondered why DOS text only comes in 16 colors and 8 background colors?
Running FreeDOS on legacy hardware
How I installed FreeDOS on a 386-SX micro laptop called the Pocket386.
Using ‘awk’ to filter text
Here’s how to use awk to strip out sample code from a Markdown file.
Digging into ODT file contents
All LibreOffice files are zip file containers with XML data and metadata.
Use ‘grep’ to solve a 2-dimensional word puzzle
Regular expressions match patterns and help you solve problems.
Comparing BASIC with FORTRAN 77
I applied what I learned about BASIC to learn the FORTRAN 77 programming language.
A little programming goes a long way
It helps to know some programming to solve these little problems.
Linux desktops and laptops
How do you run Linux? We asked our community to find out.
My open source story
How I got started in open source, from GNU Emacs and installing Linux in 1993.
My first programming language
Apple BASIC was how I first learned how to write my own computer programs.
3 ways to read files in C
There’s the simple way, and there’s the fast way. Let’s compare.
Using ‘grep’ to play a word game
You can use regular expressions to match letters and patterns, to help you play a letter game.
MS-DOS 4.00 released as open source software
Why it’s important that Microsoft released this old version of MS-DOS.
Writing your own ‘fmt’ program
Learn a little programming to write tools that do things the way you want to do them.
Learn Bash by writing a number guessing game
Learning a new programming language can be a fun exercise.
Temporary fixes that become permanent
We asked our community for their stories about a “quick fix” that became a permanent one.