3 sum \- compute the checksum and block count of a file
18 .EX "sum /user/ast/xyz" "Checksum \fI/user/ast/xyz"
22 computes the checksum of one or more files.
23 It is most often used to see if a file copied from another machine has
24 been correctly received.
25 This program works best when both machines use the same checksum algorithm.