PTDOS

{{short description|Operating system}}

{{Infobox OS

|name=PTDOS

|logo=

|screenshot=

|caption=

|developer=Processor Technology

|source_model=

|kernel_type=

|supported_platforms=Intel 8080

|ui=Command-line interface

|family=DOS

|released={{Start date and age|1978}}{{cite web|url=http://www.hartetechnologies.com/manuals/Processor%20Technology/Solus%20News/proteus_v1n1.pdf|title=SOLUS NEWS|editor=Stan Sokolow|accessdate=January 30, 2020}}

|latest_release_version=

|latest_release_date=

|marketing_target=

|programmed_in=

|prog_language=

|language=English

|updatemodel=

|package_manager=N/A

|working_state=Historic, Unsupported

|license=Proprietary

|website=

}}

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.[http://www.trailingedge.com/cpm/SolHelios2.pdf Leaflet for the Helios II system and PTDOS]