cksum — checksum and count the bytes in a file

Examples (TL;DR)


cksum [FILE]...
cksum [OPTION]


Print CRC checksum and byte counts of each FILE.


display this help and exit


output version information and exit


Written by Q. Frank Xia.

Reporting Bugs

GNU coreutils online help: <>
Report any translation bugs to <>

See Also

Full documentation <>
or available locally via: info '(coreutils) cksum invocation'

Referenced By

cksum(n), md5.3bsd(3), mtree(5).

October 2019 GNU coreutils 8.31