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 | |