Are you someone who never met a Unix command you didn't like? OK, maybe not. But are there commands you just can't imagine living without? Let's look at some that have made a big difference on my ...

In the olden days of Unix, each file had an owner, a group, and a notion of “everybody else”. These entities could be granted read, write and/or execute permission — and that was as far as it went. If ...

It’s 50 years since a team of computer scientists created the first version of an operating system (OS) that would revolutionise modern-day computing. Created as a multi-tasking system for multiple ...