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From: sri on 24 Apr 2008 06:47 Hi, what is md5sum? I see it in all distro cds. what is the use of it? please explain it..
From: The Natural Philosopher on 24 Apr 2008 07:30 sri wrote: > Hi, > > what is md5sum? > > I see it in all distro cds. > > what is the use of it? > > please explain it.. IIRC its way of taking a file and giving it an almost unique value, based on its contents. So if it changes n anyway, you re bout 99% sure that the next time you run MD5sum against it, you will get a different answer. Very useful in distinguishing between two versions of a file that have the same name, and length, and knowing they re different. But why sk me? you could have type dit into google and gotten here http://en.wikipedia.org/wiki/Md5sum a lot faster.
From: John Hasler on 24 Apr 2008 08:45 The Natural Philosopher writes: > So if it changes n anyway, you re bout 99% sure that the next time you > run MD5sum against it, you will get a different answer. More like 99.99999999999999999999999% sure. -- John Hasler john(a)dhh.gt.org Dancing Horse Hill Elmwood, WI USA
From: The Natural Philosopher on 24 Apr 2008 10:44 John Hasler wrote: > The Natural Philosopher writes: >> So if it changes n anyway, you re bout 99% sure that the next time you >> run MD5sum against it, you will get a different answer. > > More like 99.99999999999999999999999% sure. I wont quibble, but the wiki article suggests that there is a crack to allow corrupted fies to be padded out with the right bit pattern to pass a test..
From: Stefan Patric on 24 Apr 2008 16:45
On Thu, 24 Apr 2008 03:47:24 -0700, sri wrote: > Hi, > > what is md5sum? > > I see it in all distro cds. > > what is the use of it? > > please explain it.. It is a utility used to generate a unique hexadecimal number, a checksum, of a file. It is used primarily to verify that a downloaded file is the exact duplicate of the original file, that is, the downloaded file has no errors. sha1sum is also another popular checksum generator. Stef |