PTDOS

PTDOS or Processor Technology Disk Operating System was an operating system created during 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 (1978)[1]
Available inEnglish
Package managerN/A
PlatformsIntel 8080
Default user interfaceCommand-line interface
LicenseProprietary

Commands

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
gollark: So it's literally just "security" through obscurity and being hard to cryptanalyze?
gollark: Oh, that, yes.
gollark: > in case of a computer, if you controll it, you can eaisly leak the ciphertextI don't really understand what you mean.
gollark: Anyway, using computers allows you to do much more robust crypto.
gollark: So you have *approximate* length.

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