The echo command (a bash built-in) is one of the very basic commands on Linux.As with ls and pwd, you can’t sit on the command line very long without using it.At the same time, echo has quite a ...

There are a number of ways to add text to files on Linux systems without having to open an editor, such as the echo and printf commands. On the other hand, when you need to add A LOT of text, the ...

How to Pipe and Redirect Like a Pro in the Linux Command Line Redirecting the output from du to a text file. Counting the number of lines in the disk-usage file containing the redirected output ...

Or, you might instead redirect it to a file to be opened with a text editor: netstat -anp > netstat.txt. But there's a better option. Instead, we can use grep to return only the lines we really want.

Command-line essentials When you ssh into a Unix-like system, the system looks up your user account information and spawns a new shell process based on your preferences.

The command line isn't just for wise Linux beards. It's actually an awesome tool with almost limitless functionality. Here's a primer on how it works, and how you can do almost anything with it ...

[Joshua] has put together a list of BASH prompt customizations. The command prompt is used in a command-line interface to show that the system is ready for the next command. Often times this is not… ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we're going to introduce the concepts of simple variable substitution and ...

Bring the power of the Linux command line into your application development process. ... The grep command allows for searching through text whether in a file or piped from another command. Here's a ...