PTDOS or Processor Technology Disk Operating System is an
operating system
An operating system (OS) is system software that manages computer hardware and software resources, and provides common daemon (computing), services for computer programs.
Time-sharing operating systems scheduler (computing), schedule tasks for ...
created in the late 1970s for computers using the
Intel 8080
The Intel 8080 is Intel's second 8-bit computing, 8-bit microprocessor. Introduced in April 1974, the 8080 was an enhanced successor to the earlier Intel 8008 microprocessor, although without binary compatibility.'' Electronic News'' was a week ...
microprocessor and the
Processor Technology
Processor Technology Corporation was a personal computer company founded in April 1975, by Gary Ingram and Bob Marsh in Berkeley, California. Their first product was a 4K byte RAM board that was compatible with the MITS Altair 8800 computer but ...
Helios II Disk Memory System.
[Leaflet for the Helios II system and PTDOS](_blank)
/ref>
Commands
The following list of commands is supported by PTDOS 1.4.DEBUG
In engineering, debugging is the process of finding the root cause, workarounds, and possible fixes for bugs.
For software, debugging tactics can involve interactive debugging, control flow analysis, log file analysis, monitoring at the ap ...
* DO
* DISKCOPY
In computing, diskcopy is a command used on a number of operating systems for copying the complete contents of a diskette to another diskette.
Implementations
The command is available in MS-DOS, IBM PC DOS, DR FlexOS, IBM/Toshiba 4690 OS, Me ...
* 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
Focal or FOCAL may refer to:
*Focal (lexicographical website), an Irish lexicographical website
*FOCAL (programming language), a programming language for the PDP-8 and similar machines
* Focal (HP-41), for programming HP calculators
* FOCAL (space ...
* TREK80
References
External links
Sol 20 site
– This computer used PTDOS when a Helios II disk drive was installed.
Disk operating systems
1978 software
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