GNU nano is an easy to use command line text editor for Unix and Linux operating systems. It includes all the basic functionality you’d expect from a regular text editor, like syntax highlighting, multiple buffers, search and replace with regular expression support, spellchecking, UTF-8 encoding, and more.

What is nano command in terminal?

Introduction. GNU nano is a simple terminal-based text editor. Though not as powerful as Emacs or Vim, it is easy to learn and use. Nano is ideal for making small changes to existing configuration files or for writing short plain text files. … Nano can be used in a terminal window or at the system console.

What does nano write out mean?

You can save the file you’re editing by typing CTRL+o (“write out”). You will be prompted for the name of the file to save. If you wish to overwrite the existing file, just press ENTER. If you want to save to a different filename, type in the different filename and press ENTER.