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 ...

With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

The everlastingly useful grep command can change its character with the flip of a switch to help you find things. The grep command – likely one of the first ten commands that every Unix user comes to ...

Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux. There are a number of ways to view ...

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 ...

Have a grep question. I know I can grep a text file with -c and get how many times a particular string of text exists. But how can you take an existing text file like this: ...

The setup: I have a directory. In this directory is a series of subdirectories. In each subdirectory are four or five text files. The files are all named identically from directory to directory; i.e.