Learn the ABCs of BSD.

In the intricate landscape of operating systems, two prominent players have shaped the digital realm for decades: UNIX and Linux. While these two systems might seem similar at first glance, a deeper ...

After decades on Linux, FreeBSD finally gave me a reason to switch operating systems ...

Ken Thompson and Dennis Ritchie at a PDP-11. Peter Hamer [CC BY-SA 2.0] Last week the computing world celebrated an important anniversary: the UNIX operating system turned 50 years old. What was ...

To open up a 'terminal' session to a CS LINUX server from a computer running the unix or linux operating system, you must use a 'secure shell' (ssh) client. Secure shell is built into most unix and ...

Commercial enterprise UNIX today reminds me of vintage clothes and furniture. Just when you think certain things have become passé in favor of newer more modern things, they are somehow revived and ...

Classic Z80 computers tend to run CP/M. If you’re a purist you’ll be happy with that because that’s certainly what most serious Z80 computers ran back in the day. However, for actual use, CP/M does ...

To get started as a Linux (or Unix) user, you need to have a good perspective on how Linux works and a handle on some of the most basic commands. This first post in a “getting started” series examines ...

I have been called “nostalgic beyond my years” by some, and I suppose that is accurate. I was born in 1976 and have always had a voracious appetite for early minicomputer and mainframe history. I ...