A Princeton professor, finding a little time for himself in the summer academic lull, emailed an old friend a couple months ago. Brian Kernighan said hello, asked how their friend’s US visit was going ...

Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...

The awk command is incredibly useful, and you will be surprised at just how powerful and transformative it will make your scripts. Here’s how to get started using it. While I’m not a fan of ...