A key point to these tools (from a practical point ) is that they are very memory efficient and allow work on just a "line".

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

The command-line interface of your Mac lets you get into the Unix underpinning that makes Macs so powerful. Learn the top commands everyone should know to be a Mac power user. Over the years, the Mac ...

It is. I've converted a few machines here in just the last few months, even one where the HD was so shot full of holes only the recovery partition made it onto the replacement SSD and I wound up ...