Other protocols
are handled by web browsers:
gopher://gopher.cwis.uci.edu/
ftp://ftp.uci.edu/
mailto:vitus@ics.uci.edu
telnet://library@antpac.lib.uci.edu
Note that a telnet reference can include both the system
and the login name on the system.
Not all WWW clients (browsers) know how to use the login name.
There is syntax for a location within an large document:
http://www.ics.uci.edu/WWWdocs/localFAQ.html#Acronyms
or a position within an interactive image:
http://pubweb.parc.xerox.com/map?121,95
or a keyword in a searchable index:
http://phwww.cwis.uci.edu/cgi-bin/phwww?wilkening
Relative references give a URL in terms
of where the reference is in relation to the document currently being
viewed.
For example,
just "/" indicates the root
directory of the server on which this document is located,
#other indicates the anchor
``other'' in this document, and
sample.html indicates
the document ``sample.html'' located in the same
directory as this document.