Special Search Command

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For ordinary users, mastering several of the search techniques described earlier is enough. But sometimes we will inevitably have some special needs, and search engines also support a number of special search commands to facilitate our accurate positioning of the required information.
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Title Search
Most search engines support search for page titles, and the command is "title:" and "T:" in Yahoo (note that the colon is English and not followed by a space). The logical symbols and exact matching principles mentioned above are also applicable in heading search. Consider the following example:

· Title (or T): Computer adventure games
· Title:+computer +adventure +games
· Title:+computer +games-adventure
· Title: "Computer adventure games"

The results returned are information entries in the title that contain keywords and words.

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Web Search
In addition, we can search for the site, the command is "site:" (Google), "Host:" (AltaVista), "URL:" (Infoseek) or "Domain:" (hotbot). To find all pages of the AAA game production company website, you can enter:

· Site (or Host/url/domain): www.AAA.com

You can also add other commands to the complex search criteria, such as:

· site:www.AAA.com +title: "Computer games"-adventure

It means to look up all the titles in the AAA company's website that contain computer games pages, but exclude the Web pages on adventure games.

Speaking of which, you may have realized that we can use this command to achieve an extremely important purpose, is to check how many pages our site is indexed. It is therefore advisable to keep this command in mind. In addition, the use of "site/host/url/domain" search commands can also achieve a site search in the station. For example, Google Engine because of the advanced technology, through its "site" command to implement the site internal search is even better than the dedicated site search procedures.

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Link Search
In Google and AltaVista, users can find an external import link (inbound links) from a Web site through the link: command. As：

· Link:www.AAA.com

Some other engines have the same functionality, except that the command format is slightly different. You can use this command to see WHO and how many sites have links with you.

In addition to the above commands, there are some other special search commands, such as "filetype:" (Qualifying the Search document category), "DateRange:" (limited search Time range), "Phonebook:" (query telephone) and so on, you can study their own. Google Engine provides a more complete search function, specific reference to Google from the introduction to proficient presentations.