como saber para que sirve un programa en linux?

links

• Today's BIG Thing
  A brief history of modern warfare illustrated by food. So tragic.
• Mozilla Labs » Introducing Ubiquity
  Ubiquity, a Mozilla Labs experiment into connecting the Web with language in an attempt to find new user interfaces that could make it possible for everyone to do common Web tasks more quickly and easily.
• CAT5 Video Distributors: The Video Display System
• The Loginataka: Dialogue between a Guru and a Newbie
  O, Nobly Born: know that the Way to Wizardhood is long, and winding, and Fraught with Risks. Thou must Attune thyself with the Source, attaining the arcane Knowledge and Conversation of the System Libraries and Internals. Yea; and such an all-consuming Ti
• PHP benchmarks | Gentoo : Intel® Pentium® 4 Computer Language Benchmarks Game
  Compare the performance of PHP programs against some other language implementation, or check the PHP CPU time and Memory use measurements.
• EasyInstall python
  Easy Install is a python module (easy_install) bundled with setuptools that lets you automatically download, build, install, and manage Python packages.
• Infopoint