text: [-f device] opcode value
  
  Control magnetic tape drive operation
  
  Available Opcodes:
  
  bsf bsfm bsr bss datacompression drvbuffer eof eom erase
  fsf fsfm fsr fss load lock mkpart nop offline ras1 ras2
  ras3 reset retension rewind rewoffline seek setblk setdensity
  setpart tell unload unlock weof wset