
Official website (https://www.arcanoae.com/arcaos/)
ArcaOS
Sign in to saveArcaOS is a proprietary operating system based on OS/2, developed and marketed by Arca Noae, LLC under license from IBM. It was first released in 2017 and builds on OS/2 Warp 4.52 by adding support for new hardware, fixing defects and limitations in the operating system, and by including new applications and tools, and includes some Linux/Unix tool compatibility. It is targeted at professional users who need to run their OS/2 applications on new hardware, as well as personal users of OS/2.
Official website

ArcaOS 5.0 from Arca Noae is the new release of OS/2 for the 21st century
A new OS/2-based operating system from Arca Noae, codenamed Blue Lion, arrived today, May 15, 2017, after nearly two years in development.
arcanoae.com →Link to the official site · 3,385 chars · not written by Vinony
~11 min read
Encyclopedic overview
14 sectionsContents
- Features
- Hardware compatibility
- Software
- Cross-platform compatibility
- Filesystems
- Installation and updates
- Hardware requirements
- History
- Blue Lion
- ArcaOS 5.0
- ArcaOS 5.1
- Release history
- References
- External links
ArcaOS is a proprietary operating system based on OS/2, developed and marketed by Arca Noae, LLC under license from IBM. It was first released in 2017 and builds on OS/2 Warp 4.52 by adding support for new hardware, fixing defects and limitations in the operating system, and by including new applications and tools, and includes some Linux/Unix tool compatibility. It is targeted at professional users who need to run their OS/2 applications on new hardware, as well as personal users of OS/2.
Like OS/2 Warp, ArcaOS is a 32-bit single user, multiprocessing, preemptive multitasking operating system for the x86 architecture. It is supported on both physical hardware and virtual machine hypervisors.
Excerpted from Wikipedia’s “ArcaOS” article, available under the CC BY-SA 4.0 licence.