An old book about an even older operating system.

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 ...

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 ...

The Unix operating system has been around for decades, and it and its lookalikes (mainly Linux) are a critical part of the computing world. Apple’s operating system, macOS, is Unix-based, as are ...

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 ...

In the 1990s and well into the 2000s, if you had mission-critical applications that required zero downtime, resiliency, failover and high performance, but didn’t want a mainframe, Unix was your go-to ...

Today, most of us use graphical text editors, but many developers still use vi, or its modern clone Vim, or Emacs, and they're as passionate about their choice of editors as ever. I'm not sure why ...

It's not Linux, or even Unix.

Most breaches don’t start with malware or zero-day exploits. They start with a login.  An attacker gets hold of a password, maybe through phishing, reuse, or a leaked credential dump. They test it ...