For example, given the parameter specifications: -+ Swap signs -a Append mode -b Bitwise compare -c Create new file +del Delete old file +e Execute (at specified nice level) when complete The following command-lines (amongst others) are all exactly equivalent: -a -b -c newfile +e20 +del -abc newfile +dele20 -abcnewfile+dele20 -abcnewfile +e 20del