@code{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.
-@code{cksum} is typically used to ensure that files have been
+@code{cksum} is typically used to ensure that files
transferred by unreliable means (e.g., netnews) have not been corrupted,
by comparing the @code{cksum} output for the received files with the
@code{cksum} output for the original files (typically given in the