DRYOS

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Real-time operating system by Canon

title: "DRYOS" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["real-time-operating-systems", "camera-firmware"] description: "Real-time operating system by Canon" topic_path: "technology/operating-systems" source: "https://en.wikipedia.org/wiki/DRYOS" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Real-time operating system by Canon ::

::data[format=table title="Infobox OS"]

FieldValue
nameDRYOS
developerCanon
familyReal-time operating systems
marketing_targetDigital cameras and camcorders
licenseproprietary software
::

| name = DRYOS | logo = | screenshot = | caption = | developer = Canon | source_model = | kernel_type = | supported_platforms = | ui = | family = Real-time operating systems | latest_release_version = | latest_release_date = | marketing_target = Digital cameras and camcorders | programmed_in = | prog_language = | language = | updatemodel = | package_manager = | working_state = | license = proprietary software | website =

DRYOS (also stylized as DryOS) is a proprietary real-time operating system made by Canon and is used in their digital cameras and camcorders.

Since late 2007, DIGIC-based cameras are shipped using DRYOS. It replaces VxWorks from Wind River Systems which has been used before on DIGIC II and some DIGIC III equipped cameras. DRYOS had existed before and was in use in other Canon hardware, such as digital video cameras and high-end webcams.

DRYOS has a 16-kilobyte kernel module at its core and is currently compatible with more than 10 CPU types. It provides a simulation-based development environment for debugging. Canon also developed a USB- and middleware-compatible device driver for file systems and network devices, e.g. video server.

DRYOS aims to be compatible with μITRON 4.0 and with POSIX.

Cameras with DRYOS

The following cameras are known to run DRYOS:

References

References

  1. "Canon Technology".
  2. "DryOS Porting".

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

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