You have thousands of commands at your disposal as a Unix administrator. However, even the most advanced administrators only use a finite number of tools and utilities on an ongoing basis. The ...

Older commands can still be faster—and more flexible, powerful, and accessible too!

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 ...

There are several ways to conveniently generate random data on Unix systems. One popular way is to make use of Perl’s rand function. Another is to employ the /dev/random or /dev/urandom pseudodevice ...