Hello, I hate to reply to this. I would be concerned of my data security if I'd have been NASA. But I'm not. If you want to erase some data, try a wipe! I'm sad to see somebody confusing open source (== open minded) to illegal activities. I've never imagined somebody so fly... Being m$ competitive/alternative doesn't mean to be illegal. Was that a math lesson? Do you think some multiplications means Maths? It meant 20000 years ago, maybe. Try some physics: L=mc2. Take an ice-tea and relax! And avoid coffeine! Your lesson for this life is patience + wisdom. You need a lot, Tomas. It is a wonder that somebody (i.e. Mr. Charlie Mahan) bothered to answer you...
Mike, Owner of Diploma in Mathematics and Computer Science + pretty experienced developer on M$Windows + owner of 7 Brainbench diplomas. --- Charlie Mahan <[EMAIL PROTECTED]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On August 5, 2004 00:31:12, Tomas Tudja wrote: > > Hello, > > Format, fill with big files (movies) until there > will be no space left > > and format again. If electron microscope guys > (probably there are much > > cheaper ways to read data from disk only twice > formatted) will find > > anything, it will be only data from last copyed > files. If electron guys > > are working for RIAA, you are in trouble because > of illegal copyes of > > movies :>. But you need a working system to do it. > There is no other way > > to properly and safely clean the disk without > damage. > > Define working system before you make such > statements please. Booting from one > of the many LiveCD disks available and using the > tools available to mount, > format, change fs type and format again is possible > and easy. The drives can > have previous data on them or not. It makes no > difference. > > You have taken this _way_ farther than anyone needed > for it to go. My > *flippant* comments about electron microscopes were > to illustrate that the > original question wasn't specifically asking for a > format that would make any > data impossible to read because that is a difficult > process and very > expensive. I was trying to steer the original poster > away from the "low level > format" trap since it tends to damage old drives of > unknown pedigree > sometimes. > > The first point I made in my reply was that it's > probably easier to use the > original manufacturers tools to do the job, then I > threw in some smart ass > comments. > > > Little math lesson: > > Let say there is an "empty place" on a disk. > That's the place, where we > > write the bite we want to be there. We have a 20G > disk. There are > > 171798691840 "empty places" > > ( (((20 * 1024) * 1024) * 1024) * 8 = > 171798691840 ). If we write a > > file on disk, we can do it by 5MBps. That means we > can fill 41943040 > > "empty places" in 1 second. If we format a 20G > partition with HardDrake, > > it takes about 20 seconds (I don't remember the > correct time). So, if we > > format a disk (partition placed on entire disk), > we are touching only > > 838860800 "empty places" on the disk and > 170959831040 are untouched and > > containing old data. If we make two different > formats (difrent > > filesystems), we just decrease this number maybe > by another 838860800 > > and that is not enough. IT IS NEED TO TOUCH EVERY > SINGLE BITE ON A DISK > > TO BE SURE THERE IS NOTHING LEFT!!! Touching all > bites on 20G disk takes > > about 68 minutes by speed 5 MBps. > > What's the point? I openly stated that guarding > against that type of forensic > analysis was not going to be accomplished by what I > was recommending. Are you > trying to prove you are more capable and more > intelligent than I? > > Fine you win. Much of the world fits that > description. > > > Counts are only guesses (I really have no glue > about writing speed on a > > disk, but I thing it is something about 5 MBps. I > guess there are really > > only 60 seconds in each minute and only 1024 bytes > in every single MB > > If I wanted to study math I'd enrol in University, > wouldn't I? I don't have > the time. Your points are made and that's fine, but > there was no reason for > them in my opinion, and this type of over technical > extremism may be why so > many people despise "geeks." > > Is there a reason that you felt a need to > demonstrate your intellectual > prowess? > > Does anyone care? > > > Sorry for bugging you, but it is very simple so I > wonder, why is > > everybody not understanding it with me. :> > > > > Tomas Tudja > > 136 Church Road > > N17 8AJ > > London, UK > > [EMAIL PROTECTED] > > http://hysteria.sk/catcher > > What makes you think nobody understands these things > but you? Or cares if you > do? Or if I do? Who in the world cares if the data > is unrecoverable with > specialized tools, or through more drastic measures? > > I offered a choice of methods to accomplish the > original poster's question. > What did you offer? "Write movies to the disk!" You > do know that many > countries legal systems consider that an illegal > activity, do you not? It's > called illegal copying or piracy and worse. But your > remarks about the > R.I.A.Ass. prove that you do. I won't recommend > illegal activity. > > Does using Outlook on Windows make you somebody > special? > > I needed not to read your belittling B.S. on a list > where I and many others > volunteer our time attempting to help others. I > definitely didn't need a > primer course in kitchen arithmetic. With _absolute > certainty_ I can > unequivocally state that I didn't need some lurker > popping in to tell me in a > backhand (or direct either) way that I am a mental > midget and less than the > dust beneath his training wheels. > > To the rest of the list members; my humble apology > for the diatribe. > > To Thomas Tudja; if I want your opinion I'll damned > well give it to you first. > > You'd probably still screw it up though. > > Regards; > Charlie > Let the "zings" begin. > - -- > Edmonton,AB,Canada User #244963 at > http://counter.li.org > Mandrakelinux release 10.1 (Beta 1) for i586 kernel > 2.6.8-0.rc2.2mdk > 01:53:54 up 6:33, 1 user, load average: 0.35, 0.30, > 0.27 > I have many CHARTS and DIAGRAMS.. > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.4 (GNU/Linux) > > iD8DBQFBEe/xZqvqlrLPr5YRAgQRAJ9XoDLRWe6RqbUqR68mQgH0+TlDaACeMF/v > wnsE8FGoso7NCEslAVMTHpk= > =0gwA > -----END PGP SIGNATURE----- > > > ____________________________________________________ > Want to buy your Pack or Services from MandrakeSoft? > > Go to http://www.mandrakestore.com > Join the Club : http://www.mandrakeclub.com > ____________________________________________________ > __________________________________________________ Do You Yahoo!? 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