* Delete some files contained in a .DSK file,
You can download its source at [http://koaks.amstrad.free.fr/amstrad/projets/ Sid's homepage]. (If you run Arch Linux, here is an [http://aur.archlinux.org/packages/idsk/ AUR package].)
This tool works on all unix platforms, unlike cpcfs/cpcxfs which suffers from many endianness problems and can't work on powerPC, for example. The command line interface is designed for easy integration in a makefile, making it more efficient for cross-development.