The nano text editor is included in Debian-based operating systems. Because Ubuntu is based on Debian you’ll find nano pre-installed as well. The nano editor comes in handy when working in environments where you don’t have a user interface. For example, in server environments or using remote connections …

The ls command is essential when navigating a file system. ls displays files and directories in a given file system path. Yet, there’s a nuance when displaying files using the plain ls command: it’s not listing dotfiles. Dotfiles are the “hidden” files on your hard disk that start …