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 |
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