PTDOS or Processor Technology Disk Operating System is an operating system created in the late 1970s for computers using the Intel 8080 microprocessor and the Processor Technology Helios II Disk Memory System.[2]

PTDOS
DeveloperProcessor Technology
OS familyDOS
Working stateHistoric, Unsupported
Initial release1978; 46 years ago (1978)[1]
Available inEnglish
Package managerN/A
PlatformsIntel 8080
Default
user interface
Command-line interface
LicenseProprietary

Commands

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The following list of commands is supported by PTDOS 1.4.[2]

  • EDIT
  • EDT3
  • ASSM
  • DEBUG
  • DO
  • DISKCOPY
  • RECOVER
  • FILES
  • FREE?
  • SYST
  • OPEN?
  • COPY
  • IMAGE
  • BLDUTIL
  • EXTRACT
  • KILL
  • RENAME
  • RETYPE
  • REATR
  • XREF
  • DUMP
  • PRINT
  • RNUM
  • SAVE
  • GET
  • CREATE
  • OPEN
  • READ
  • WRITE
  • CLOSE
  • SPACE
  • RANDOM
  • SEEK
  • ENDF
  • SETIN
  • SETOUT
  • SET
  • EXEC
  • ZIP
  • CONFIGR
  • OUT
  • BASC5
  • FOCAL
  • TREK80

References

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  1. ^ Stan Sokolow (ed.). "SOLUS NEWS" (PDF). Retrieved January 30, 2020.
  2. ^ a b Leaflet for the Helios II system and PTDOS
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  • Sol 20 site – This computer used PTDOS when a Helios II disk drive was installed.