$ sha1sum file.iso or
$ sha1sum file.txt prints the checksum/SHA1 fingerprint of the file in question. This can be used for checking the data integrity or corruption. This technology is also used in a different way for detecting intrusion in tripwire. Normally you don't use it with any switch. You have to execute the same command on two different machines and verify the output. It is usually enough to look at the first 4 and the last 4 characters of the output. Since a very minor change in input will result in a completely different output, this method is invaluable. Look at it as a nice accompaniment to diff to detect file changes. -Girish -- Gayatri Hitech web: http://gayatri-hitech.com SpamCheetah Spam filter: http://spam-cheetah.com _______________________________________________ To unsubscribe, email [email protected] with "unsubscribe <password> <address>" in the subject or body of the message. http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
