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The Online World resources handbook

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Web/Internet tools and pointers http://home.eunet.no/~presno/bok/v6.html<br />

specifying an object on the Internet, such as a file or newsgroup.<br />

Example using WWW: <strong>The</strong> URL format resource address is<br />

This tells us:<br />

http://home.eunet.no/~presno/index.html<br />

the tool: http (see above)<br />

the host: login.eunet.no<br />

the path: /~presno/index.html<br />

<strong>The</strong> first part of the URL, before the colon, specifies the access method. <strong>The</strong> part of the<br />

URL after the colon is interpreted specific to the access method. In general, two slashes<br />

after the colon show a machine name (machine:port is also valid).<br />

A Gopher example: URL uses the following<br />

gopher://nutmeg.ac.uk/archive/uunet/archive/Health.Care/report<br />

/forward.txt<br />

<strong>The</strong> URL tells us:<br />

the tool: gopher<br />

the host: nutmeg.ac.uk<br />

the path: archive/uunet/archive/Health.Care/report<br />

the file: forward.txt<br />

A ftp example, showing site, directory, and file name:<br />

ftp://ftp.rpi.edu/pub/communications/internet cmc.html<br />

A telnet example:<br />

telnet://database.carl.org/<br />

<strong>The</strong> general format is: telnet://[@][:port]<br />

A newsgroup example:<br />

news:alt.bbs<br />

A file example, showing site, directory, and file name:<br />

file://localhost/mysub/mypage.html<br />

Usenet<br />

A global bulletin board, of sorts, in which millions of people exchange public<br />

information on every conceivable topic. For more information, see Appendix 1.<br />

See Appendix 1.<br />

UUCP<br />

VMS<br />

Virtual Memory System. A multiuser, multitasking, virtual memory operating system for<br />

the VAX series from Digital Equipment.<br />

Routers<br />

Routers are the pathfinders of the Internet. Your stream of packets may pass through<br />

large numbers of routers before they reach their destination.<br />

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