One can MOUNT Files-11 Format devices(disks, DECtapes), Files-11 (ANSI) Magnetic Tapes, or Network devices. Files-11 Format: MOU [NT] ddn: [volume-label] keywords where keywords are; /ACP = taskname /OVR /EXT = block-count /UIC = [uic] /FPRO= [sys,own,grp,wld] /UNL /LRU = FCB-count /WIN = retrieval-pointer-count ddn: - device name, must be specified volume label - from 1 to 12 characters, defaults to 12 nulls, optional (for tapes 1-6 characters) For Magnetic tapes the special keywords /BYPASS Bypass tape label processor. /DENS=tape-density (800 or 1600) /NOLAB The tape volume has no label. /OVRSID overide existing file set identifiers /OVREXP overide expiration date