Whenever you use a simple grep command to find a single word or phrase in a file, you run the risk of getting a lot of extra "stuff" you didn't want to see. Here are two grep commands that will do ...

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. From the tutorial: Windows search ...

The moment you chain 7 commands including awk or write a shell script with many subroutines is time to consider a "real" language like perl or python, or even c/c++/java. File operations are a bit ...

One of the best things about Linux is that it offers several ways of handling every task. Everything you do in Linux will have an alternative method, from the simplest to the most complex. But don't ...

You can examine the contents of compressed files on Linux systems without uncompressing the files or changing them in any way. This post explains the commands for doing that and the types of ...

Is prone to causing confusion for newbies since they are inevitably going to question what happens if the "empty file" does not exist, and what happens once the first command has written the output to ...