Nine Things You Should Know About Nautilus
lessthan0 writes "The Nautilus program in GNOME is not only the default file manager, it creates and manages the desktop. While it looks simple on the surface, there is a lot of hidden power under the shell. The latest version of Nautilus is 2.14.0, which is included in Fedora Core 5. article covers a few non-obvious things about how Nautilus works."
Do you mean like Daemon Tools? http://www.daemon-tools.cc/dtcc/download.php
1) no it does not. Unless you downloaded it from an unofficial site. (Official site: here
2) use the control panel. I used it for 1 day at work to install Microsoft SDK and it removed cleanly
3) Limited by the operating system (IIRC). I know I've had at least 4 going at once
4) None whatsoever