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 ...

With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re trying to be precise, it matters a lot. I use this when I’m searching through ...

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.

The simplest grep command looks like the one shown below. This “find string in file” command will show all the lines in the file that contain the string, even when that string is only part of a longer ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

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 ...