DirMaster is a powerful DOpus inspired file manager for OS/2's presentation Manager. Fully HPFS aware, DirMaster is very fast, highly configurable, and easy-to-use, but so complete that even power-users will be satisfied. DirMaster supports 4DOS/4OS2 description files, has more than thirty internal functions, user-configurable functions, archiver and ZipStream support, and much more.