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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Name

cksum

Synopsis

cksum [files]

Compute a cyclic redundancy check (CRC) checksum for all files; this is used to ensure that a file was not corrupted during transfer. Read from standard input if the character - is given or no files are given. Display the resulting checksum, the number of bytes in the file, and (unless reading from standard input) the filename. Also see md5sum and sha1sum.

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