There's more to ls than just seeing a list of files and folders.

The ls command is a well-known and often used command-line program that is used to list directory contents by name; in fact, it could be argued that it is the most used Linux command-line program. $ ...

One of the most powerful features of Unix and Linux is that using traditional command line tools, everything is a stream of bytes. Granted, modern software has blurred this a bit, but at the command ...