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.

How to find files in Linux with grep: 10 examples (free PDF) The grep command is a handy, reliable tool for searching for files or information.

Linux/BSD command line wizardry: Learn to think in sed, awk, and grep "Do people really write these long, convoluted commands?" In a word: yes.

After a while you start both putting commands into scripts and typing one-off multi-line small programs just on the command line.

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 ...

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.