What is it?
rxvt is a colour terminal emulator for X-Windows, similar to xterm.
It was designed to be a low memory replacement for xterm.
What are the differences between rxvt & xterm?
(1) Menu is statically configured at compile time
|Tektronix 4014 emulation||No||Yes
|Popup window configuration||No||Yes (1)
|Drop down menus||Yes (2)||No
|Colour support||Yes||No (Yes)(3)
|Background Pixmaps||Yes (4)||No
|Development & Support||Yes||Yes (5)
(2) Menu is dynamically configurable per instance
(3) Newer xterm versions have basic foreground colour support
(4) Compile time configurable
(5) Current xterm development for XFree86 by Thomas E. Dickey
Where is it?