Software:ArcaOS

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Short description: Computer operating system based on IBM's OS/2 Warp
ArcaOS
ArcaOS Logo
ArcaOS 5.0 Screenshot.png
ArcaOS 5.0.5 desktop
DeveloperArca Noae, LLC (based on code from IBM, Microsoft, and other developers)
Written inC, C++, REXX, Java, assembly language
OS familyOS/2
Working stateCurrent
Source modelClosed source with open-source components
Initial releaseMay 15, 2017; 6 years ago (2017-05-15)[1]
|Final release|Latest release}}5.1.0 / August 27, 2023; 8 months ago (2023-08-27)[2]
Package managerANPM (based on RPM and YUM)
Platforms32-bit x86
Kernel typeHybrid kernel
Default user interfaceWorkplace Shell, cmd
LicenseProprietary software
Official websitewww.arcanoae.com

ArcaOS is an operating system based on OS/2, developed and marketed by Arca Noae, LLC under license from IBM.[3][4] It was codenamed Blue Lion during its development.[5] It 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,[6] 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.[7]

Like OS/2 Warp, ArcaOS is a 32-bit[8] single user, multiprocessing,[9] preemptive multitasking[10] operating system for the x86 architecture.[11] It is supported on both physical hardware[12] and virtual machine hypervisors.[13]

Features

Hardware compatibility

ArcaOS supports symmetric multiprocessing systems with up to 64 processor cores, although it is recommended to disable hyperthreading.[9] As of version 5.0.8, ArcaOS is ACPI 6.1-compliant and includes the 20220331 release of ACPICA.[14]

While ArcaOS is a 32-bit operating system, it has limited PAE support which allows it to use RAM in excess of 4GB as a RAM disk.[7]

ArcaOS supports being run as a virtual machine guest inside VirtualBox, VMware ESXi, VMWare Workstation and Microsoft Virtual PC.[13]

In addition to the device drivers included with OS/2 Warp 4, ArcaOS includes a variety of drivers developed by Arca Noae, and various third parties:

  • Network adapters are supported either with Arca Noae's MultiMac[15] technology, which employs FreeBSD driver code, or a selection of GenMAC[16] drivers. Support for wireless networking is somewhat limited, though MultiMac support for additional chipsets is planned for future releases of ArcaOS.[17]
  • ArcaOS replaces the 16-bit IBM OS/2 USB driver with a new 32-bit driver capable of supporting USB 2.0 and USB 3.0 controllers.[18][19]
  • Audio support utilizes the Uniaud[20] generic audio driver, now maintained by Arca Noae. Uniaud is based on the ALSA framework from the Linux kernel. In addition, a selection of device-specific drivers are included with ArcaOS. A new audio driver is planned for future releases of ArcaOS, based on FreeBSD audio drivers.[17]
  • Video support is provided by Panorama[21] generic unaccelerated VESA driver, or SNAP[22] accelerated video driver. Features such as acceleration and multi-head are supported for a limited number of graphics chipsets. Support for these features in additional chipsets, such as the Intel HD series, is planned.[17]
  • Storage drivers are available for IDE, AHCI, NVMe and a number of SCSI adapters.[23][24]
  • Support for printers is provided by the eCups project, which is based on the open-source Common Unix Printing System.[25]

Software

Some of the open source software included with ArcaOS - Firefox, Lucide, 4OS2, PMDCalc Plus

In addition to the software bundled with OS/2 Warp 4, ArcaOS includes some additional software, such as:[26][27][28]

Cross-platform compatibility

Some of the compatibility subsystems in ArcaOS - a Bash shell (bottom left), QBASIC in a DOS window (middle), and the Windows 3.1 Program Manager (top right)

ArcaOS includes a number of software components which allow it to directly run software developed for other operating systems, and to simplify the process of porting software to ArcaOS:

  • ArcaOS includes OS/2's MVDM and WIN-OS/2, allowing ArcaOS to run 16-bit MS-DOS and Windows 3.1 applications natively.[29] ArcaOS features some improvements to these subsystems which are not found in OS/2, such as the ability to access volumes greater than 2GB from Windows and DOS,[28][30] as well as supporting 16-bit Windows and DOS software on UEFI systems which do not have a traditional BIOS.[31]
  • ArcaOS includes Odin, based on Wine, which provides a subset of the Win32 API.[7] Odin can be used to run certain Win32 applications directly, while other applications, such as the OS/2 port of OpenJDK, use the Odin API to simplify porting Windows software to OS/2.[32]
  • ArcaOS provides a Unix compatibility layer named kLIBC which facilitates the porting of open source Linux applications to ArcaOS.[33] A variety of Linux tools ship with ArcaOS such as the Bash shell and the GNU coreutils,[34] while others are available through the ArcaOS package manager, such as GCC.[35]
  • A port of OpenJDK is included, which allows ArcaOS to run Java applications which do not have platform-specific dependencies.[34]

Filesystems

ArcaOS's default filesystem is JFS, although HPFS is also supported for backwards compatibility.[36] ArcaOS may be installed to and booted from either filesystem.[37]

FAT12, FAT16, and FAT32 are also supported using either the OS/2 kernel's own FAT driver, or a new Arca Noae-developed FAT32 IFS driver, included in ArcaOS since version 5.0.3.[38] ArcaOS includes support for optical disc filesystems such as ISO 9660 and UDF.[39]

ArcaOS supports serving and accessing CIFS/SMB shares using the open source Samba project, and provides a graphical utility named ArcaMapper to manage configuration.[40]

NetDrive for OS/2 provides access to a variety of additional filesystems such as NTFS and NFS via its own IFS driver.[41][42] The ArcaOS distribution includes a limited license version of NetDrive but the fully licensed version is capable of mounting a number of other local, native, and foreign file systems.[43]

Installation and updates

The hardware configuration screen from the ArcaOS installer

ArcaOS features a new graphical installer which replaces the IBM installer used in OS/2 Warp.[44] Unlike OS/2, the ArcaOS installation process does not require a boot floppy, and instead the installer can be booted directly from optical media, or from a USB flash drive.[45] The installer also provides an update facility, which allows ArcaOS to be updated to the latest release without reinstalling the entire operating system.[46]

Installation and updates of individual software packages is provided through the Arca Noae Package Manager (ANPM), which consists of a native OS/2 graphical frontend on top of RPM and YUM.[47] Software is provided through a mixture of freely available, and subscription only RPM repositories.[48]

Hardware requirements

The minimum hardware requirements for ArcaOS 5.1 are as follows:[11]

Processor Intel Pentium Pro or AMD K6
Memory (RAM) 256MB minimum

2GB recommended

Graphics Card VGA video card with VBE 2.0 support[49]
Storage space 2GB of available disk space
Removable media Installation requires DVD-ROM drive or USB flash drive
Firmware Traditional BIOS, UEFI, or UEFI with CSM.
Input devices PS/2 or USB keyboard and mouse

History

Blue Lion

ArcaOS was formally announced on October 23, 2015, at the Warpstock 2015 event (an OS/2 user group event) under the code name "Blue Lion" by Arca Noae's Managing Member, Lewis Rosenthal.[4][5]

Some of the planned features for Blue Lion announced at the time were:[4]

  • New Symmetric multiprocessing kernel.
  • New pre-boot menu.
  • New OS installer with support for installation from USB flash drive and across a network.
  • Device drivers already produced by Arca Noae as part of their Drivers & Software Subscription.[50]
  • The latest Workplace Shell enhancements.
  • Updated CUPS print subsystem.
  • Updated PostScript printer driver pack.
  • Localization in several languages besides English.[51]

ArcaOS 5.0

The name "ArcaOS" was first published in a TechRepublic article[52] on May 26, 2016, while the arcaos.com domain was registered December 20, 2015. In the same TechRepublic article, Lewis Rosenthal was quoted as saying that the first release of ArcaOS would be version 5.0, as it follows onto the last release of OS/2 Warp from IBM, which was 4.52 (also known as Merlin Convenience Pack 2, or MCP2).[53]

ArcaOS 5.0 was released May 15, 2017.[1] There were two editions released: a commercial edition, intended for enterprise use (including 12 months of upgraded/prioritized technical support), and a personal edition, targeted at non-business users (including six months of standard technical support) at a reduced price.[54] Pricing was listed as $229 per license for the commercial edition, and $129 per license for the personal edition, with $99 promotional price in effect for the first 90 days following release.

ArcaOS 5.0 was followed by a number of maintenance releases between 2017 and 2023. In addition to bug fixes and driver updates, the maintenance releases added some significant features such as USB 3.0 support, support for NVMe drives, the ability to install from a USB drive, and the update facility.[28]

ArcaOS 5.1

Prior to the release of ArcaOS 5.0, ArcaOS 5.1 was originally planned for release in 2017 with a focus on supporting other languages including French, Spanish, Italian, German, and Dutch.[52] Following the release of ArcaOS 5.0, Arca Noae began discussing a 5.1 release in their roadmaps, along with proposed new features.[55] ArcaOS 5.1.0 was released on August 27, 2023, adding support for booting on UEFI Class 3 systems, and support for GUID partition tables — allowing for disks larger than OS/2's previous 2TB size limit.[56]

Other features which have been proposed for the 5.1.x releases include:

  • Localized releases of ArcaOS, known as National Language Versions (NLV). Planned languages include German, Spanish, French, Italian, Simplified and Traditional Chinese, Japanese, Korean and Dutch.[17] This involves augmenting the localization in OS/2 Warp 4 with translations for the new software added in ArcaOS, such as the installer and XWorkplace.[57]
  • A migration facility to allow in-place migration of OS/2 Warp 4 and eComStation systems to ArcaOS without removing the existing operating system installation first.[17]
  • Desktop search functionality based on the open-source Recoll project.[17]
  • Replacing the monolithic IBM Selective Install utility with a number of Arca Noae-developed utilities.[58]
  • Porting a modern WebKit based web browser to ArcaOS to replace Firefox.[59][60][58]

Release history

ArcaOS releases
Release Date Major changes[28][61]
5.0 2017-05-15[1] First public release of ArcaOS
5.0.1 2017-07-09[62] Installer fixes and driver updates
5.0.2 2018-02-10[63] Added ability to boot from USB media
5.0.3 2018-08-19[64] Updates to software and drivers
5.0.4 2019-07-21[65] Update facility which allows ArcaOS to updated without reinstalling
5.0.5 2020-06-06[19] USB 3.0/xHCI support
5.0.6 2020-08-31[66] Installer fixes and updates
5.0.7 2021-12-07[67] NVMe driver
5.0.8 2023-06-01[68] Support for NVMe drives in installer and preboot environment
5.1.0 2023-08-27[2] Support for UEFI Class 3 hardware, and GPT partitions

References

  1. ↑ 1.0 1.1 1.2 "ArcaOS 5.0 release announcement". 2017-05-15. https://www.arcanoae.com/arcaos-5-0-now-available. 
  2. ↑ 2.0 2.1 "ArcaOS 5.1.0 now available". 2023-08-27. https://www.arcanoae.com/arcaos-5-1-0-now-available/. 
  3. ↑ "ArcaOS 5.0 from Arca Noae is the new release of OS/2 for the 21st century". https://www.arcanoae.com/arcaos/. 
  4. ↑ 4.0 4.1 4.2 Blue Lion Announcement at Warpstock 2015
  5. ↑ 5.0 5.1 James Sanders (2015-11-02). "OS/2: Blue Lion to be the next distro of the 28-year-old OS". http://www.techrepublic.com/article/os2-blue-lion-to-be-the-next-distro-of-the-28-year-old-os/. 
  6. ↑ "About ArcaOS". https://www.arcanoae.com/arcaos/. 
  7. ↑ 7.0 7.1 7.2 Lunduke, Bryan (23 May 2017). ""OS/2 Based ArcaOS" - Lunduke Hour - May 23, 2017". https://www.youtube.com/watch?v=8oXKMZ56R2o. 
  8. ↑ "Do you have plans for a 64-bit ArcaOS?". https://www.arcanoae.com/faqwd/do-you-have-plans-for-a-64-bit-arcaos/. 
  9. ↑ 9.0 9.1 "ACPI Driver Requirements". https://www.arcanoae.com/wiki/acpi/requirements/. 
  10. ↑ "Have a glimpse of the new ArcaOS desktop". 2017-05-21. https://www.arcanoae.com/glimpse-new-arcaos-desktop/. 
  11. ↑ 11.0 11.1 "System Requirements for ArcaOS 5.1". https://www.arcanoae.com/wiki/arcaos/technical-specifications/. 
  12. ↑ "Tested Hardware". https://www.arcanoae.com/wiki/arcaos/tested-hardware/. 
  13. ↑ 13.0 13.1 "Virtual Machine Configuration". https://www.arcanoae.com/wiki/arcaos/installation-planning/virtual-machine-configuration/. 
  14. ↑ "Readme for the ACPI Driver Package". https://www.arcanoae.com/wp-content/uploads/wiki/ReadMe-ACPI.txt. 
  15. ↑ Arca Noae wiki: MultiMac NIC Drivers
  16. ↑ Project: Generic MAC Wrapper Driver (GenMac)
  17. ↑ 17.0 17.1 17.2 17.3 17.4 17.5 "Warpstock Europe Conference 2020 - Day 2". 2020-05-17. https://www.youtube.com/watch?v=olz_KpTz1cU. 
  18. ↑ "Arca Noae progress report: USB, ArcaOS updater, multimedia". 2019-10-16. https://www.arcanoae.com/arca-noae-progress-report-usb-arcaos-updater-multimedia/. 
  19. ↑ 19.0 19.1 "ArcaOS 5.0.5 now available". 6 June 2020. https://www.arcanoae.com/arcaos-5-0-5-now-available/. 
  20. ↑ "Arca Noae wiki: Uniaud - Audio subsystem". https://www.arcanoae.com/wiki/uniaud/. 
  21. ↑ Arca Noae wiki: Panorama Video Driver
  22. ↑ Arca Noae wiki: Arca Noae SNAP Graphics for OS/2
  23. ↑ "How can I tell if my current disk drive is compatible with ArcaOS?". https://www.arcanoae.com/faqwd/how-can-i-tell-if-my-current-disk-drive-is-compatible-with-arcaos/. 
  24. ↑ "NVME Driver version 1.01 released". 2021-04-14. https://www.os2world.com/cms/index.php/past-news/80-news/software/23010-arca-noae-nvme-driver-version-1-01-released. 
  25. ↑ "Welcome to eCups". http://trac.netlabs.org/ecups/wiki. 
  26. ↑ "Third Party Work". https://www.arcanoae.com/tpw. 
  27. ↑ "Have a glimpse of the new ArcaOS desktop". 21 May 2017. https://www.arcanoae.com/glimpse-new-arcaos-desktop/. 
  28. ↑ 28.0 28.1 28.2 28.3 "ArcaOS 5.0 Changes". https://www.arcanoae.com/wp-content/uploads/wiki/ArcaOS-changes.txt. 
  29. ↑ "Getting the most out of DOS and Win-OS/2 sessions". https://www.arcanoae.com/wiki/arcaos/compatibility-subsystems/getting-the-most-out-of-dos-and-win-os2-sessions/. 
  30. ↑ "Why can't my DOS and Win-OS/2 sessions see more than 2GB of free space?". https://www.arcanoae.com/faqwd/why-cant-my-dos-and-win-os-2-sessions-see-more-than-2gb-of-free-space/. 
  31. ↑ "Warpstock Europe Conference - Day 1". 2020-05-16. https://www.youtube.com/watch?v=JypjdaFtYqo. 
  32. ↑ "Java for OS/2 and OS/2-based systems". https://trac.netlabs.org/java. 
  33. ↑ "Getting to know the Unix Compatibility Subsystem (kLIBC)". https://www.arcanoae.com/wiki/arcaos/compatibility-subsystems/getting-to-know-the-unix-compatibility-subsystem-klibc/. 
  34. ↑ 34.0 34.1 "Compatibility Subsystems". https://www.arcanoae.com/wiki/arcaos/compatibility-subsystems/. 
  35. ↑ "Lucide Building Instructions". https://trac.netlabs.org/lucide/wiki/BuildingInstructions. 
  36. ↑ "ArcaOS 5.0 Installation Guide". May 2017. https://www.arcanoae.com/wp-content/uploads/wiki/ArcaOS50_InstallationGuide.pdf. 
  37. ↑ "Installation Planning". 2020-06-06. https://www.arcanoae.com/wiki/arcaos/installation-planning/. 
  38. ↑ "FAT32 Installable File System Driver". https://www.arcanoae.com/wiki/fat32/. 
  39. ↑ "DVD/UDF". https://ecsoft2.org/dvdudf. 
  40. ↑ "ArcaMapper". https://www.arcanoae.com/wiki/arcamapper/. 
  41. ↑ "Network File System (NFS) plugin for NetDrive". https://ecsoft2.org/ntfs-plugin-netdrive. 
  42. ↑ "NTFS plugin for NetDrive". https://ecsoft2.org/network-file-system-nfs-plugin-netdrive. 
  43. ↑ "NetDrive for OS/2". https://www.arcanoae.com/shop/netdrive-for-os2/. 
  44. ↑ "Writing the ArcaOS installer". 2017-10-06. https://www.youtube.com/watch?v=h_8C5e9tsAk. 
  45. ↑ "What installation media do I need to install ArcaOS? Will it install from diskettes?". https://www.arcanoae.com/faqwd/what-installation-media-do-i-need-to-install-arcaos-will-it-install-from-diskettes/. 
  46. ↑ "Updating from a prior release". 2020-06-24. https://www.arcanoae.com/wiki/arcaos/updating-from-a-prior-release/. 
  47. ↑ "YUM and RPM package manager update". 2016-05-31. https://www.youtube.com/watch?v=SfyMDczvL1w. 
  48. ↑ "Package Manager". 2020-06-22. https://www.arcanoae.com/wiki/anpm/. 
  49. ↑ "Panorama". https://www.arcanoae.com/wiki/panorama/. 
  50. ↑ Shaun Nichols (2015-11-03). "Is the world ready for a bare-metal OS/2 rebirth?". https://www.theregister.co.uk/2015/11/03/os2_returns_arca_noae/. 
  51. ↑ Nick Farrell (2016-05-30). "OS/2 comes back from the dead". http://www.fudzilla.com/news/40775-os-2-comes-back-from-the-dead. 
  52. ↑ 52.0 52.1 Sanders, James (2016-08-31). "OS/2 resurrected: Blue Lion becomes ArcaOS, details emerge for upcoming release". TechRepublic. https://www.techrepublic.com/article/os2-resurrected-blue-lion-becomes-arcaos-details-emerge-for-upcoming-release/. 
  53. ↑ "OS/2 Timeline". https://www.os2museum.com/wp/os2-history/os2-timeline/. 
  54. ↑ Sharwood, Simon (2017-05-19). "What is dead may never die: a new version of OS/2 just arrived" (in en). The Register. https://www.theregister.co.uk/2017/05/19/new_version_of_os_2_arca_os_5/. 
  55. ↑ "ArcaOS 5.1 Roadmap". 2017. http://www.warpstock.org/filemgmt_data/files/ArcaOS%205.1%20Roadmap.pdf. 
  56. ↑ Proven, Liam (2023-09-04). "ArcaOS 5.1 gives vintage OS/2 a UEFI facelift for the 21st century" (in en). The Register. https://www.theregister.com/2023/09/04/arcaos_51/. 
  57. ↑ "National Language Support for OS/2". 2019-04-19. https://www.youtube.com/watch?v=fZ-QhNqSAB4. 
  58. ↑ 58.0 58.1 "Warpstock 2020 - Virtual & Free". 2020-11-07. https://www.youtube.com/watch?v=YRH-WbrYtWM. 
  59. ↑ "Warpstock Europe Conference 2020". 2020-05-17. https://www.youtube.com/watch?v=olz_KpTz1cU. 
  60. ↑ Klein, Roderick (2017-10-11). "Sponsorship needed for new OS/2 web browser" (in en-gb). https://articles.os2voice.org/category/software/11-sponsorship-needed-for-new-os-2-web-browser.html. 
  61. ↑ "ReadMe". https://www.arcanoae.com/wiki/arcaos/readme/. 
  62. ↑ "ArcaOS 5.0.1 now available". 9 July 2017. https://www.arcanoae.com/arcaos-5-0-1-now-available/. 
  63. ↑ "ArcaOS 5.0.2 now available". 11 February 2018. https://www.arcanoae.com/arcaos-5-0-2-now-available/. 
  64. ↑ "ArcaOS 5.0.3 now available". 19 August 2018. https://www.arcanoae.com/arcaos-5-0-3-now-available/. 
  65. ↑ "ArcaOS 5.0.4 now available". 21 July 2019. https://www.arcanoae.com/arcaos-5-0-4-now-available/. 
  66. ↑ "ArcaOS 5.0.6 now available". 31 August 2020. https://www.arcanoae.com/arcaos-5-0-6-now-available/. 
  67. ↑ "ArcaOS 5.0.7 now available". 2021-12-07. https://www.arcanoae.com/arcaos-5-0-7-now-available/. 
  68. ↑ "ArcaOS 5.0.8 now available". 2023-06-01. https://www.arcanoae.com/arcaos-5-0-8-now-available/. 

External links

  • Arca Noae – website of the developer of ArcaOS

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