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md5sum is a computer program that calculates and verifies 128-bit MD5 hashes, as described in RFC 1321. The MD5 hash functions as a compact digital fingerprint of a file. The MD5 hash functions as a compact digital fingerprint of a file.
The MD5 message-digest algorithm is a widely used hash function producing a 128-bit hash value. MD5 was designed by Ronald Rivest in 1991 to replace an earlier hash function MD4, [3] and was specified in 1992 as RFC 1321.
On Unix-like systems, similar functionality can be often obtained by combining find with hashing utilities such as md5sum, sha256sum or tthsum. md5deep exists for Windows and most Unix-based systems, including OS X. It is present in OS X's Fink, Homebrew and MacPorts projects. Binary packages exist for most free Unix systems.
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md5sum: Computes and checks MD5 message digest nl: Numbers lines of files numfmt: Reformat numbers od: Dumps files in octal and other formats paste: Merges lines of files ptx: Produces a permuted index of file contents pr: Converts text files for printing sha1sum, sha224sum, sha256sum, sha384sum, sha512sum: Computes and checks SHA-1/SHA-2 ...
Click the Downloads folder. 3. Double click the Install_AOL_Desktop icon. 4. Click Run. 5. Click Install Now. 6. Restart your computer to finish the installation.
The idea of fuzzy checksum was developed for detection of email spam by building up cooperative databases from multiple ISPs of email suspected to be spam. The content of such spam may often vary in its details, which would render normal checksumming ineffective.
Hash file (MD5, SHA1 or SHA-512) generated on-fly for each slice, the resulting file is compatible with md5sum or sha1sum, to be able to quickly check each slice's integrity; Filesystem independent: it may be used to restore a system to a partition of a different size and/or to a partition with a different filesystem [5]