And one final great grep feature: recursive search. Running “grep -r pattern” will search all files within your current ...

CentOS is a free version of the Red Hat Enterprise Linux operating system. It is built from the same source code as Red Hat and is designed to be used in a business environment. Unlike Red Hat, it ...

Carriage returns go back a long way – as far back as typewriters on which a mechanism or a lever swung the carriage that held a sheet of paper to the right so that suddenly letters were being typed on ...

You can, of course, save the contents of a Mail mailbox as an archive. But the messages in those archives can only be read if you import the archive back into Mail. What if you want to archive those ...

Using a plug-in for the popular Windows text editor, Notepad++, you can easily encrypt selected text and entire text files. Ed Rhee Ed Rhee, a freelance writer based in the San Francisco Bay Area, is ...

Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.

Sometimes we need to find and replace text in more than one file. The problem begins when we try to do so after opening each file. Certainly, you need only a couple of seconds to find and replace text ...

The CSV file extension appears on text documents that contain comma-separated values. Like spreadsheet data, each line in a CSV file separates into individual values that correspond with the cells in ...

Sometimes we need to find a particular text in multiple files in a folder. Alternatively, let’s assume that you have made a spelling mistake in more than one files ...

It's easy to add a few lines of text to files on Linux, but there are tools that make it easier to add many lines. There are a number of ways to add text to files on Linux systems without having to ...