# cksum(1) - man - phpMan

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## NAME
       cksum - checksum and count the bytes in a file

## SYNOPSIS
       **cksum** [_FILE_]...
       **cksum** [_OPTION_]

## DESCRIPTION
       Print CRC checksum and byte counts of each FILE.

       **--help** display this help and exit

### --version
              output version information and exit

## AUTHOR
       Written by Q. Frank Xia.

## REPORTING BUGS
       GNU coreutils online help: <<https://www.gnu.org/software/coreutils/>>
       Report any translation bugs to <<https://translationproject.org/team/>>

## COPYRIGHT
       Copyright  ©  2020 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later
       <<https://gnu.org/licenses/gpl.html>>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY,  to
       the extent permitted by law.

## SEE ALSO
       Full documentation <<https://www.gnu.org/software/coreutils/cksum>>
       or available locally via: info '(coreutils) cksum invocation'



GNU coreutils 8.32                          January 2026                                    [CKSUM(1)](https://www.chedong.com/phpMan.php/man/CKSUM/1/markdown)