cksum - Unix, Linux Command
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NAME
cksum - prints CRC checksum and byte counts.
SYNOPSIS
cksum [Option]... [File]...
DESCRIPTION
cksum computes a cyclic redundancy check (CRC) checksum for each given File, or standard input if none are given or for a File. cksum prints the CRC checksum for each file along with the number of bytes in the file, and the filename unless no arguments were given. cksum is typically used to ensure that files transferred by unreliable means (e.g., netnews) have not been corrupted, by comparing the cksum output for the received files with the cksum output for the original files (typically given in the distribution). The CRC algorithm is specified by the POSIX.2 standard. It is not compatible with the BSD or System V sum algorithms; it is more robust.
OPTIONS
| display help and exit | |
| --version | output version information and exit |
EXAMPLES
Check the file size and checksum of the file
$ cat sample.txt This is a sample text file $ cksum sample.txt 207382644 27 sample.txt
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