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

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

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.

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 ...

I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required ...

Conclusion Linux provides powerful command-line tools, such as grep and find, to assist you in searching and finding files based on specific text strings. These tools enable you to quickly locate ...

Linux man pages suck, since so many of their tools are GNU-based and GNU wanted everyone to use info (1). Look up the manual pages for the BSDs. I find OpenBSD man pages very well done.

I've already demonstrated how regular expressions can be used with the grep command. But it's important to know that you can supercharge file management in Linux from the command line by employing ...