Meet Motorola ROKR E2, an almost unknown successor of the infamous iTunes phone ROKR E1. The device was one of the first candybar style non-touchscreen phones on the market running Linux. When connected to a PC it can present itself as a network device. Running telnet against the IP address of a network interface exposed BASH, where I had a chance to learn UNIX scripting.

More about Motorola ROKR E2 here.