Compares two files or sets of files and displays the differences between
them


FC [/A] [/C] [/L] [/LBn] [/N] [/T] [/U] [/W] [/nnnn] [drive1:][path1]filename1
[drive2:][path2]filename2
FC /B [drive1:][path1]filename1 [drive2:][path2]filename2

/A     Displays only first and last lines for each set of differences.
/B     Performs a binary comparison.
/C     Disregards the case of letters.
/L     Compares files as ASCII text.
/LBn   Sets the maximum consecutive mismatches to the specified number of
lines.
/N     Displays the line numbers on an ASCII comparison.
/T     Does not expand tabs to spaces.
/U     Compare files as UNICODE text files.
/W     Compresses white space (tabs and spaces) for comparison.
/nnnn  Specifies the number of consecutive lines that must match after a
mismatch.