COPYING:
This Program can be freely distributed as unchanged executeable, as
long as this file accompanies them unchanged. The program itself may
not be sold, however you may collect fees for copying, distribution or
bundled items. It MUST be clear to your customer that he can get the
same free of charge from other sources; mentioning the website
http://www.compressconsult.com/szip/ and "Freeware" will fulfill this
requirement.