Nano is one of the most lightweight and user-friendly text editors for command-line. For those who prefer to edit C, Bash, Python or other source files using Nano instead of an advanced IDE like Emacs or Vim, enabling syntax highlighting is probably a must-have. To enable highlighting in Nano for various programming languages, you will first need to edit (or create if it doesn't already exist) the file ~/.nanorc, where ~ is your home directory, and put in it lines like this: