What is a QNX demo disk?
The versions here are for IBM PC compatibles. These are a set of special demo disks produced in 1999 to promote the QNX operating system. This demo fits an operating system, demo apps, and an HTML3 capable web browser on a single 1.44mb floppy disk. There are two versions of the demo disk.
What is QNX operating system?
QNX is a compact Unix-like real-time operating system that was originally designed for the IBM PC and later used in embedded devices. The versions here are for IBM PC compatibles. These are a set of special demo disks produced in 1999 to promote the QNX operating system.

What is the QNX Voyager web browser?
After QNX boots up and is configured, it starts the Voyager web browser. Voyager is an HTML 3.2 compatible browser and it supports JavaScript. The QNX demo disk also includes a minimal workspace menu and taskbar. The file browser lets you look at the files loaded in the ramdisk, although it does not do much else.