cmp (compare files)

Compares two files to see whether they are the same. This command is used to compare binary files. To compare text files, use the diff command.

 Format:    cmp file1 file2 Examples:  cmp prog1 prog2 

The output depends on the options used.

Opt	What It Does	Example
-c	Display differing bytes as characters	cmp -c file1 file2
-l	Display location of differing bytes	cmp -l file1 file3
-s	Display nothing; return exit codes: 0=identical; 1=different; 2=inaccessible	cmp -s file77 prog3