CosmOS > Copy /Input/empty.dat /Output/empty.dat copied > Compare /Input/empty.dat /Output/empty.dat the same > Copy /Input/exact.dat /Output/exact.dat copied > Compare /Input/exact.dat /Output/exact.dat the same > Copy /Input/tail.dat /Output/tail.dat copied > Compare /Input/tail.dat /Output/tail.dat the same > Copy /Input/large.dat /Output/large.dat copied > Compare /Input/large.dat /Output/large.dat the same > Compare /Input/large.dat /Input/different.dat different > Copy /Input/missing.dat /Output/missing.dat copy: cannot find the source > Compare /Input/large.dat /Input/missing.dat compare: cannot find the second file > Copy copy: give me a source and destination > Compare /Input/large.dat compare: give me two files > exit halted Execution halted. [exit 0]