Compares the contents of two files or sets of files.

COMP [data1] [data2] [/D] [/A] [/L] [/N=number] [/C]

data1     Specifies location and name(s) of first file(s) to compare.
data2     Specifies location and name(s) of second files to compare.
/D        Displays differences in decimal format.
/A        Displays differences in ASCII characters.
/L        Displays line numbers for differences.
/N=number Compares only the first specified number of lines in each file.
/C        Disregards case of ASCII letters when comparing files.

To compare sets of files
use wildcards in data1 and data2 parameters.