debain on windows 2k

["Subramaniam Aiyer \(CTS\)" <SubramaniamA@pun.COGNIZANT.COM>]

hi,
     i am trying to install debian linux on my office computer which has
only one hard disk i.e no partitions
can i go ahead with the insatllation or should i downgrade to windowsNT.
     one of my friend who was installing red hat had to first downgrade to
NT. Also, the sysadmin gave some reason of file systems. can anybody please
explain further?
                                                    thanx,
                                                      INDSpeedFreak  	

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