Generic form:
protocol://server.machine.name:port/dir/file
Examples:
Use FTP, login as "anonymous" change dir to /home/smith, get file budget.wk1
ftp://eau.ww.eesd.gov.calgary/home/smith/budget.wk1
Use gopher, go to top menu of "gopher.voa.gov" machine
gopher://gopher.voa.gov
Use the Web "Hypertext Transfer Protocol" (HTTP), ask machine
"www.apple.com" for file "index.html" in the top directory.
http://www.apple.com/index.html
Read the file "to_mom.txt" in C:\data\letters on your machine.
file:/data/letters/to_mom.txt
The URL for this presentation is:
http://www.cuug.ab.ca:8001/~branderr/csce.html
(everyone with a Web connection can go home now)