reinstall or just change name

[W Scott Lockwood III]

> On Fri, Jan 23, 2015 at 1:39 PM, David Fletcher <dave at thefletchers.net> wrote:
> On Fri, 2015-01-23 at 11:12 +0100, Gary J. Kirkpatrick wrote:
> > I am selling my little laptop.  Should I reinstall the operating
> > system, which I presume would be a better way to remove my files
 > > (albeit imperfect) or should I just change the user name/password?
 > I'd feel inclined to use Boot and Nuke
 > http://www.dban.org/
 > first, then re-install.
 > Dave

Yes, what Dave said. DBAN is the best.