Fajar Priyanto wrote: > Hi all, > A friend of mine gives me a copy of Centos5 DVD. > I then make an iso of it using dd if=/dev/cdrom of=centos5.iso command. > I then check it using sha1sum. > But the result is different than of listed in Centos website. > Should it the same? Or we simply cannot compare sha1sum from burned DVD to > that of 'unburned' iso file? > Thanks. > an afterthought - the subject of your mail was md5sum...the body speaks about sha1sum. They're different mechanisms; comparing a sha hash to an md5 will always be different, I believe. ~Ray