How do I turn on a password for my Mac? What other kinds of security features are available within Mac OS X?

Key Features Autostar computer controller 80 mm diameter achromatic Multi-coated objective lens Fully adjustable aluminum tripod with accessory tray PC-compatible, Astro software with database of over 10,000 celestial objects included Specs Optical design...

The computers contained a few thousand student grade records dating back a few years, officials say.