The -l option, as you undoubtedly know, gets ls to provide a “long listing” that shows permissions, update times, etc. The -t (time) argument orders the files by update times.

Arguments are given as just the names you want listed, but options are marked as such by starting with a dash. The standard convention among GNU programs, and used by most others, it to have long ...

From update and upgrade to touch and nano (or vi / emacs ), there are tons of Linux commands that are typically run together. That’s where chaining comes into play, as it lets you add a couple of ...

The Gooey decorator picks up all your options and arguments and creates a GUI for it. You can make it more complicated if you want to change specific things, but if you are happy with the defaults ...

options, arguments = opts.parse_args() if options.start: ... if options.order: ... That should be enough code. Each of the opts.add_option( lines adds an option to the list. For example, the first one ...