All of the files are zipped. You will need a program
such as WinZip (Windows) or GNU unzip
(Linux/UNIX) to unzip them. These are the different kinds of files
available for download:
ISO image
Bootable .iso CD-ROM image file
which includes the full Visopsys distribution.
You can burn the ISO file to a CD-ROM, or use it directly with an emulator
such as VMware or
Virtual PC.
USB image
Bootable .img image file
which includes the full Visopsys distribution. It can be written to
a (minimum 30Mb) USB memory stick using a program such as
Image
Writer For Windows (Linux/UNIX users can use the built-in 'cat' or 'dd'
commands). This is a full-device image, including a partition
layout.
Floppy disk
image
Bootable .img file which
includes a minimal Visopsys distribution. It can be written to a
1.44 MB floppy disk using a program such as
Image
Writer For Windows (Linux/UNIX users can use the built-in 'cat' or 'dd'
commands), or used with an emulator as above.
VMware image
A directory of files that can be used with the VMware
emulator as a preinstalled Visopsys image. You need
VMware in order to use this.
Source code
The files necessary to modify,
build, and install the system.