.CD "sum \(en compute the checksum and block count of a file"
.SX "sum \fIfile"
.FL "\fR(none)"
.EX "sum /user/ast/xyz" "Checksum \fI/user/ast/xyz"
.PP
.I Sum
computes the checksum of one or more files.
It is most often used to see if a file copied from another machine has
been correctly received.
This program works best when both machines use the same checksum algorithm.
See also \fIcrc\fR.



.SP 2