UnixDos Toolkit makes the full power of 65 main Unix utilities available under any DOS and Windows Environment. UnixDos allows you to do powerful tasks directly from the command line or batch files. In addition it provides 28 usefull utilities beside the regular Unix set of programs. UnixDos contains many improvements over the standard UNIX and offers also a much more powerfull argument expansion than UNIX or DOS. Version 5.1a adds GETRNG.