Right now, it gets locked in 3-4 minutes. How do I delay the locking? I am using snow leopard
This is get from support.apple.com,
Turn off your display or put it to sleep
Choose System Preferences from the Apple menu, then click Energy Saver. Use the slider to choose the time of inactivity. If you set your display to turn off before the screen saver starts, the screen saver won't start after a period of inactivity.
Use this helpful app for easy toggling between locking or not: https://itunes.apple.com/de/app/caffeine/id411246225?mt=12