WP-CLI is a set of command-line tools for managing WordPress installations. You can update plugins, set up multisite installs and much more, without using a web browser.
I thought it might be appropriate to comment to this post using Lynx 2.8.7.r1 with SSL support.
Those who learn web design from the command-line often find themselves getting impatient with the cruft and slowness of doing so using grapnics browsers.
I first learned from a UNIX shell, using the vi(m) text editor and a symlink to the webserver.