Wiping out (Data recovery software freeware) hard drive needs some software

Wiping out (Data recovery software freeware) hard drive needs some software 

Wiping out hard drive needs some software 
Q. I am planning to sell my laptop (Toshiba Satellite 2800 series, about five years old) and want to know how I go about wiping out my hard drive of any personal information.
Source: www.ocregister.com

Recover lost files from a wiped hard drive 
So you've accidentally wiped your hard drive clean, and you're worried that you'll never see your precious collection of music and pictures again? Linux.com is here for you, with a pretty detailed...
Source: lifehacker.com

Clearing data from hard drive 
Question:I am planning to sell my laptop (Toshiba Satellite 2800 series, about five years old) and want to know how I go about wiping out my hard drive of any personal information. I've been told that just reloading the operating software (Windows XP) will do this, but I want to know for sure.
Source: www.philly.com

Symbian in Q2 
Symbian has released Q2 2006 sales figures, showing the usual robust growth. Highlights include 23 new Symbian OS-powered models introduced in Q2, ownership of 92% of the worldwide 3G market, 12 million smartphones shipped in Q2, bringing cumulative total to 83 million worldwide.
Source: www.allaboutsymbian.com

ADRC Data Recovery Software Tools 
A collection of recovery tools developed by ADRC that allows computer users to backup data, recover deleted data, create and restore hard disk images.
Source: www.jumbo.com

How to wipe out data from old hard drive 
Iam planning to sell my laptop (Toshiba Satellite 2800 series, about five years old) and want to know how I go about wiping out my hard drive of any personal information. I've been told that just reloading the operating software (Windows XP) will do this, but I want to know for sure.
Source: feeds.baltimoresun.com