The ultimate [[DOS]] for 3.53½" drives, coded by [[Executioner|Richard Wilson]] and initially marketed by [[Quantum Computing]].
ParaDOS was a complete replacement for the standard 16k [[AMSDOS]] ROM. The first 8k was a patched version of the standard AMSDOS code, with the second 8k used for the large-format patch code and a user-friendly disc utility (accessed by the |DRIVE command without any parameters). Among the functions of the utility were fast file copying and batch erasing.