Slide 1
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Finding people
• finger command
– finger user@hostname
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• Finger command generally works on local
network
• It may not work on other networks.
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– You cannot finger username@wam.umd.edu
from outside of wam.umd.edu.
– finger –l gives more information.
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Slide 2
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Finding Site Owners
• Whois command used to find who owns a
site.
• 2-step process:
– Type whois hostname to find whois server
– Type whois –h (whois server name) hostname
• Eg: whois cnn.com
– Then whois –h whois.networksolutions.com
cnn.com
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Slide 3
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Whois 2
• Access .gov whois files differently
– http://www.nic.gov/whois.html
– Don’t put the www in front of the domain.
• Other country domains
– www.nic.uk/whois.html -- United Kingdom
– www.nic.fr/whois.html -- France
• General site for country-specific domains:
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– http://world-whois.com
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Slide 4
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Lynx
• Text-based browser
– lynx www.umd.edu
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Up-down arrows scroll among links
Left = back, right = forward
Enter = click on link
Space = pagedown, - = pageup
G = go to another site
Q = quit
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Slide 5
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Lynx bookmarks
• Type a then d.
• That will save a bookmark.
• To use the bookmark, type v to view them
and then select one.
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Slide 6
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Entry forms
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Let you enter data and send it to the server.
Can be buttons, text, dropdowns, etc…
Can cycle through form elements using tab.
Can hit enter or click on a certain send
button to send this data.
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Slide 7
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Searching
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Use search engines to find webpages
Start searches simple.
Make them more specific only as necessary.
Search engines have programs that search
the web for pages and data.
• Not all data is webpages
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– www.invisible-web.net
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Slide 8
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Searching
• Type some keywords into the space given.
• The search engine will look for pages with
those keywords
• Some require AND’s between words, some
don’t (like google).
• The results will be displayed.
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Slide 9
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Displaying Search Results
– Generally the results appear as a list of links.
– There may be several pages of results.
– There may be short excerpts from the
document.
– There may be a cache.
– There may be options to download.
– There may be other links or suggestions on the
page.
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Slide 10
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Subject Indexes
• Example: Yahoo
• Hierarchical menus that let you find the
subject you want.
• Eg, Tennis elbow :
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– Health ->Diseases ->Sports ->Tennis Elbow
• Search by idea rather than by exact phrases.
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Slide 11
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Meta searches
• Metacrawler searches other search engines
for your query
• It waits a few seconds, then displays the top
results from each
• Can be useful since different search engines
use different methods for finding and
categorizing pages.
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