Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of the user. This Unix command is used for command line processing.

The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...

Linux 101: How to delete files and folders from the CLI Your email has been sent When you’re using a GUI, deleting a file and/or a folder is as simple as right-clicking and selecting delete. But when ...

Linux provides many commands for examining the contents of files including cat, more, head and tail, but that’s just a start. For one thing, even the most obvious commands have a lot more options than ...