Usage: PECOMP [Options] ExeFile1 ExeFile2 Options: /OnlyPE (indicate error if files are not PE) /PeIgnoreAllResources (versus layout-independent comparison) /PeIgnoreLocalization (compare resource structure, not data) /ShowDiffs (verbose mode displays each difference) /Silent (only set return code for batch mode) Return codes: zero: identical or equivalent files non-zero: number of differences between files 999999999: error occurred, comparison not performed