Release Notes
VIS-2.1 is the most recent public release of the VIS system. It has
been built and tested under the following operating systems, and may
work on others:
IBM RISC System/6000 / AIX Version 4.3.3 / gcc, g++
Intel ix86 / Linux / gcc, g++
Intel ix86 / Windows98SE with Cygwin 1.3.2 / gcc, g++