The everlastingly useful grep command can change its character with the flip of a switch to help you find things.

The eval command allows you to run the contents of variables as commands and can be very useful -- especially in scripts.

After jumping into the Ubuntu command line yesterday, today I decided to dive a little deeper and explore the 'man' and 'grep' commands more closely.

As a freelance web dev, most of my time spent on a Linux command line was setting up the servers (so, hopefully-do-once-and-forget-about-it stuff) and then running the most basic of commands.

With regex and grep, you can search for patterns in text files with either simple or very complex patterns. Also: The first 5 Linux commands every new user should learn ...

The grep command is a handy, reliable tool for searching for files or information. This tutorial illustrates 10 ways to take advantage of its power and flexibility.

I should hope not. "Unix experience" implies you know how to get stuff done using tools common to most Unix-likes, like sed, grep and awk covered in this article.