A URL, or uniform resource locator, is the Internet address of a file. URLs are case sensitive. The most common syntax of a URL is:
protocol://machine[:port]/path/filename.html
Where:
| protocol | the Internet protocol used to transmit the file. Examples of different protocols are shown below. |
| machine | the domain name of the server where the file is stored (e.g. www.company.com). |
| :port | only required when a non-standard TCP port number is used. |
Mosaic supports the following protocols:
| Protocol | Example |
|---|---|
| Hypertext Transfer Protocol | http://www.ncsa.uiuc.edu/demoweb/url-primer.html |
| gopher | gopher://gopher.tc.umn.edu/ |
| Usenet news | news:news.announce.newusers |
| File Transfer Protocol | ftp://ftp.cica.indiana.edu/ |
| Electronic mail address | mailto:someone@foo.com (not a valid address) |