Remote desktop programs for accessing a computer's files from a smart phone.

When on the road without a computer near by and in need to remotely access your computer's files, there are several apps designed to do that from a smart phone. Generally referred to as "remote access" or "remote desktop" programs, these apps are offered by several companies like BarracudaNetworks, GoToMyPC, WebEx, and can be used from some of the most smart phones in the market. Actually the Apple's iTunes store offers a variety of such apps with prices ranging from free to about $30 depending on the features. For users looking for an apps that allow remote control of a computer be it a Mac or a Windows, RDM+Remote Desktop and VNC Viewer are two options costing $10 each according to the New York Times.

For more, see NYTimes.com

Solution for retrieving a particular file among a hundred contained in different folders.

For PC with Windows XP as operating system, there are various ready desktop search add-on products available on the market that can help solve the problem of quickly retrieving a file among hundreds located in many different folders. One of the best known are from Microsoft itself and Google with Windows search available for download at Microsoft.com .
On the other hand, Google product, called Google Desktop Search, is available at desktop.google.com.
For Windows Vista PCs, the desktop search tool comes as a built-in, but you still can use Google application for that. If you are interested in learning how to use Vista desktop search, here is a link to the tutorial section at Microsoft .com.