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

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 ...

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 ...

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.

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 ...

The essential command for searching for strings on the Linux command line is 'grep'. However, the weakness of grep is that it cannot search for character strings in video files and PDF files. ' ...