Linux, a clone of UNIX operating systems, is free to download, but users still pay for service and support. Maybe there is such a thing as a free lunch — when it comes to computer programs, at least.

Columnist Dave Taylor reminisces about the early days of UNIX and how Linux evolved and grew from that seed. Twenty five years of Linux Journal. This also marks my 161st column with the magazine too, ...

Linus Torvalds was a student at the University of Helsinki in Finland. He wanted to create an academic version of Unix OS for free. Linus began writing the code. Later his very own operating system ...