User Agent String:

Explanation of what each part of the User Agent string represents.
Part	Type	Description	Version
Mozilla/4.0	Misinformation.
compatible	Misinformation.
MSIE 5.0	Web Browser	Microsoft Internet Explorer	5.0
Windows 95	Operating System	Windows 95	Windows 95
Opera 6.01 [en]			6.01 [en]

A User Agent is a short string that web browsers and other applications send to identify themselves to web servers.

Unfortunately, most browsers falsify part of their User-Agent header in an attempt to be compatible with more web servers.

Click on your user-agent string (in the green box) to get a link that you can share with other people.
Visit whatsmyua.com/ua/[any-user-agent-string], the site will give you a breakdown for that string.