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Unity Operating System
Unity Operating System
Unity Operating System
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Unity Operating System
Unified Operating System
UOS desktop screenshot
DeveloperUnionTech (Tongxin)
OS familyLinux (Unix-like)
Initial release14 January 2020; 5 years ago (2020-01-14)
Marketing targetDesktop, Server
Supported platformsx86-64, Sunway, MIPS64, ARM64[1]
Kernel typeMonolithic
LicenseGNU
Official websitewww.chinauos.com

Unity Operating System (also known as Unified Operating System[2] or UOS, Chinese: 统一操作系统) is a Linux distribution developed by UnionTech (Chinese: 统信软件, Tǒngxìn) based on Deepin,[3] which is based on Debian. It is used in China as part of a government initiative beginning in 2019 to replace foreign-made software such as Microsoft Windows with domestic products.[4][5]

Development

[edit]

Three versions are currently under development, a desktop for regular users (Deepin), another for enterprises (UOS) and a server version (UOS).[6] A first beta version was released in December 2019 and can be downloaded from the official website.[7][8] A first stable version was released on 14 January 2020.[3][9]

Support

[edit]

The operating system is primarily aimed at the Chinese market and was intended to replace Microsoft Windows in the country by 2022,[10][11][12] also known as the "3-5-2 policy", however Microsoft Windows is still heavily used in the country.[13] So far, the focus has therefore been primarily on in house hardware such as that from the semiconductor company Zhaoxin. The whole KX-6000 series is already supported by the desktop version as well as the KH-30000 series for server version.[2]

Broad support is planned, so platforms such as Loongson, Sunway or ARM are also to be supported.[14][1]

See also

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Unity Operating System

View on Grokipedia
from Grokipedia
The (UOS), also known as Tongxin UOS, is a developed by UnionTech Software Technology Co., Ltd., a Chinese firm specializing in operating system products and services. Based on the distribution, which itself derives from , UOS targets desktop, server, and embedded applications with editions including home, professional, server, and education variants. It emphasizes compatibility with domestic hardware architectures such as LoongArch, , and x86, supporting chips from manufacturers like , Phytium, and to align with China's technological self-reliance goals. UOS forms part of the Chinese government's broader initiative since 2019 to supplant foreign software, particularly Windows, with indigenous alternatives in and environments. This effort addresses perceived vulnerabilities in supply chains and enhances amid geopolitical tensions, including U.S. export restrictions on technology. By 2023, UnionTech reported three million installations of its desktop edition, reflecting growing adoption in governmental and enterprise settings despite limited consumer penetration outside . Key characteristics include a user-friendly interface derived from Deepin's Deepin Desktop Environment, integration with domestic application , and tools for compatibility testing to ensure stability across varied hardware. While praised for its aesthetic design and performance on local processors, UOS has drawn scrutiny over potential backdoors and data privacy risks inherent to state-influenced software development, though empirical evidence of such issues remains sparse and contested. Its commercial orientation distinguishes it from open-source counterparts, with UnionTech providing paid support and ecosystem alliances to foster developer participation.

History and Development

Origins and Government Initiative

The Unity Operating System (UOS), developed by UnionTech Software Technology Co., Ltd., originated in 2019 as a derived from , itself based on . UnionTech, a Chinese software firm, adapted the Deepin codebase to create variants tailored for domestic use, including desktop, server, professional, and education editions, emphasizing compatibility with existing hardware and software ecosystems. This development leveraged open-source foundations to build a unified platform, initially focused on government and enterprise deployment rather than broad consumer adoption. The OS emerged amid China's national strategy for technological self-reliance, formalized through policies like the 2017 Cybersecurity Law and subsequent directives to reduce dependence on foreign operating systems such as Windows. In 2019, the government initiated a push to replace imported software in public sectors, prompting UnionTech's UOS as a compliant alternative certified for secure . This effort aligned with broader "indigenous innovation" campaigns, accelerated by U.S. export restrictions on technology, aiming to foster domestic alternatives amid escalating trade tensions. By 2021, UOS was pre-installed on devices like Huawei's Qingyun L410 for , marking early integration into state-approved hardware. Government endorsement extended to mandates for Linux-based systems in sensitive sectors, with UOS gaining traction in education and administration; for instance, by 2024, it powered pilot deployments of locally made PCs in schools running on architecture. These initiatives prioritized and cybersecurity, requiring OS vendors to meet standards set by bodies like the National Information Security Standardization Technical Committee, though critics note potential challenges in achieving full equivalence to systems without compromising performance or global . UnionTech's role was supported by state-backed and partnerships, positioning UOS as a cornerstone of China's "" industrial plan for software independence.

Key Milestones and Versions

The Unity Operating System (UOS), developed by UnionTech Software Technology Co., Ltd., emerged from China's initiative to foster domestic operating systems and reduce dependence on foreign software, building on the . Initial public testing commenced with a beta release in December 2019, enabling early evaluation for commercial and government applications. The first stable release, UOS 20 Professional edition, followed on January 15, 2020, marking a key advancement in compatibility with domestic hardware such as processors. Subsequent releases expanded editions for personal and home use. The UOS 20 Personal edition was issued on August 27, 2020, broadening accessibility beyond enterprise deployments. By late 2021, UnionTech introduced UOS 21 edition in December, following public previews earlier that year, with enhancements in and application ecosystem support. UOS 22 edition launched on January 15, 2023, incorporating further optimizations for desktop performance and integration with national chip architectures.
VersionEditionRelease DateKey Notes
UOS 20January 15, 2020Initial stable release; focused on enterprise and hardware compatibility.
UOS 20PersonalAugust 27, 2020Expanded consumer variant with broader app support.
UOS 21December 2021Public preview in October 2021; improved desktop features.
UOS 22January 15, 2023Enhanced performance for domestic architectures; announced December 2022.
In 2023, UnionTech integrated AI capabilities, with UOS AI launching for validation in upstream communities, followed by UOS Professional edition updates in January 2024 embedding large language models for productivity tools. These developments aligned with goals, including plans articulated in early 2020 to phase out Windows in public sectors. By 2021, UnionTech reported releasing six versions cumulatively, amassing over 1 million open-source community users.

Technical Architecture

Base Distribution and Kernel

The Unity Operating System (UOS), developed by UnionTech, is a primarily derived from , a desktop-oriented system that itself builds upon /Linux as its upstream base. This lineage enables UOS to leverage Debian's APT , vast repository , and stable release model, while incorporating Deepin's customizations for enhanced user interface components and Chinese-language support. UnionTech adapts this foundation to meet domestic regulatory standards, including and compatibility with indigenous hardware ecosystems, resulting in variants tailored for government and enterprise deployment. At its core, UOS employs the in a monolithic configuration, emphasizing reliability for server and desktop workloads. Recent professional editions have shipped with Linux kernel version 5.10, selected for its balance of and hardware compatibility, though the professional variant reportedly uses an earlier iteration within the same series for enterprise stability. Initial public releases in 2020 utilized Linux kernel 5.3, providing foundational support for x86_64 architectures and early integration with ARM-based systems. Kernel customizations include patches for native Chinese processors, such as (LoongArch64) and , alongside standard architectures like , ppc64el, and x86_64, to align with national self-reliance initiatives in computing infrastructure.

Supported Architectures and Hardware

The Unity Operating System (UOS), developed by UnionTech, supports a range of processor architectures to accommodate both international and domestic Chinese hardware ecosystems, reflecting China's push for technological in computing infrastructure. Primary architectures include x86_64 for standard and processors, for ARM-based systems such as Huawei's Kunpeng series, loongarch64 for CPUs, and ppc64el for PowerPC-compatible hardware. Additional support extends to MIPS64 and SW64 (ShenWei) architectures, enabling deployment on specialized domestic chips designed for and secure government applications.
ArchitectureExample HardwareNotes
x86_64/ CPUsBroad compatibility with commodity PCs and servers; default for most desktop editions.
aarch64ARM64 processors (e.g., Kunpeng)Optimized for energy-efficient servers and embedded systems.
loongarch64 CPUsSupports indigenous RISC-V-derived architecture for secure, localized .
ppc64elPowerPC 64 LEUsed in certain high-reliability server environments.
MIPS64/SW64Phytium/ShenWeiTargeted at supercomputing and specialized national projects.
Hardware compatibility emphasizes standard peripherals, including graphics cards, storage devices, and networking hardware, with kernel configurations tailored for stability on certified domestic platforms. UOS inherits Debian-based support, ensuring functionality on x86 systems with at least 2 GB RAM and 20 GB storage for desktop variants, though server editions scale to multi-core enterprise hardware without specified minima beyond requirements. UnionTech provides compatibility testing for government-mandated ecosystems, prioritizing integration with Chinese-manufactured components to minimize foreign dependencies, as evidenced by deployments on Loongson-based systems for trial projects. No proprietary hardware locks exist, allowing adaptation to evolving domestic chipsets via kernel updates.

Features and User Experience

Desktop Environment and Interface

The Unity Operating System utilizes the Deepin Desktop Environment (DDE), a Qt-based graphical shell originally developed by Technology Co., Ltd., and customized by UnionTech for enterprise and government applications. DDE provides a centralized control center for system settings, a for quick application access, and a launcher for app management, emphasizing visual consistency and ease of use akin to modern proprietary interfaces. DDE in UOS features a redesigned supporting effects via Compiz, enabling smooth animations, transparency, and setups. The interface includes an application overview for multitasking and facial recognition login options, prioritizing high-resolution display compatibility and software package verification for security. Recent iterations, aligned with 25's DDE 7.0 released in 2025, introduce unified iconography, enhanced fluency in interactions, and AI-integrated elements like intelligent assistants for productivity tasks. This environment streamlines configuration through a single settings hub, reducing complexity compared to more modular desktops like KDE Plasma, while maintaining extensibility via Qt widgets. UOS adaptations focus on commercial reliability, with features tailored for cross-terminal collaboration and cloud-native integration, supporting seamless transitions from Windows workflows in Chinese public sectors.

Security and Compatibility Mechanisms

The Unity Operating System (UOS), developed by UnionTech, incorporates mechanisms designed for enterprise and government environments, emphasizing protection against unauthorized access and malware. A key feature is its activation-based licensing system, which requires online validation to prevent piracy and unlicensed deployments, akin to mechanisms in . This ensures only authorized instances run, reducing risks from tampered or counterfeit software. Additionally, UOS adheres to secure configuration baselines outlined in the (SCAP) guides for UnionTech OS Server 20, which include rules for firewall management, auditing, and access controls to establish a standardized posture across deployments. Application-level security is bolstered by Linglong, a framework integrated into UOS (derived from its base), which isolates applications in runtime environments decoupled from the host kernel and libraries. This sandboxing mitigates vulnerabilities by containing potential exploits, resolving dependency conflicts, and enabling secure updates without system-wide disruptions; Linglong supports UOS versions such as 1070 and is compatible with Debian-derived ecosystems. The OS's further enforces by vetting applications and integrating protective measures, with UnionTech claiming UOS distributions are inherently free of viruses and backdoors inherent to foreign alternatives. For compatibility, UOS maintains broad hardware support across x86 and ARM architectures, enabling deployment on desktops, servers, and embedded systems as part of China's domestic software initiative. It facilitates application ecosystem transitions by providing native compatibility with Debian packages from its Deepin foundation, alongside over 40 proprietary apps developed for seamless integration. Transitional support for Windows applications is achieved through compatibility layers like Wine, allowing execution of legacy binaries without full emulation overhead, which aids migration from Microsoft Windows in government and commercial settings. Dual-boot configurations with Windows are also supported, preserving access to existing ecosystems during phased adoption. Linglong further enhances cross-application compatibility by packaging software in self-contained containers, supporting diverse sources including Windows-translated binaries and Android apps via desktop bridging.

Editions and Deployment

Desktop and Professional Editions

The Desktop and Editions of the Unity Operating System (UOS), developed by UnionTech Software Technology Co., Ltd., target for personal and organizational environments, respectively. Both editions utilize the Desktop Environment (DDE), a Linux-based graphical interface emphasizing aesthetic design, multitasking capabilities, and integration with Chinese-language input methods and applications. They support standard x86-64 hardware and incorporate compatibility layers such as Wine for running select Windows executables, alongside native support for office suites, browsers, and media players optimized for domestic software ecosystems. The Home Edition (also termed Desktop Home Edition) caters to individual consumers, offering a no-cost with features like simplified installation, automatic updates, and basic tools including firewalls and antivirus integration. Activation involves obtaining a complimentary from UnionTech's platform, enabling full functionality without subscription fees, though advanced support is limited. This edition prioritizes ease of use for everyday tasks such as web browsing, document editing, and multimedia consumption, with repositories drawing from and sources for package management. In contrast, the Professional Edition is engineered for enterprise, governmental, and institutional deployment, incorporating enterprise-grade features such as centralized management consoles, audit logging, and compliance with standards like those mandated by Chinese regulators for . It requires a paid for activation and ongoing support, providing extended update cycles—often spanning five years or more—along with dedicated technical assistance and customization options for large-scale rollouts. Key differentiators include enhanced application compatibility for legacy , integration with domain controllers, and tools for user permission hierarchies, making it suitable for replacing foreign operating systems in environments. As of November 2023, UnionTech reported over 3 million paid installations of its desktop editions, predominantly the variant, reflecting adoption driven by government initiatives to promote indigenous software alternatives. Both editions employ versions around 5.10 for stability, with the Professional Edition often featuring hardened configurations and optional real-time kernel modules for specialized workloads.

Server and Specialized Variants

UOS Server, developed by UnionTech, targets enterprise server deployments and is optimized for stability, security, and compatibility with Chinese hardware ecosystems. It supports , , and cloud infrastructure, including integration with for high-availability cloud components. The edition emphasizes and maintenance ease, aligning with government mandates for domestic operating systems in . UOS Server variants stem from four primary branches, each derived from established distributions to accommodate diverse enterprise needs: OS (branch A), (branch C), (branch D), and openEuler (branch E). The branch is denoted by the final letter in the version number, such as V20E for the openEuler-based release. These branches enable tailored optimizations, with openEuler variants focusing on and cloud-native applications, while and derivatives prioritize compatibility with legacy enterprise software. UOS Server V20 has received certification for Scalable Processors, ensuring reliability in environments. Specialized variants extend UOS Server for niche applications, including cloud-native deployments and embedded systems in smart terminals. These adaptations support scenarios like and IoT infrastructure, with enhancements for low-latency processing and secure boot mechanisms tailored to Chinese ARM-based processors such as those from Phytium and . For instance, variants integrated with Huawei's Kunpeng architecture provide optimized drivers for server-grade ARM hardware, facilitating domestic supply chain independence. Security hardening guides, such as those for UOS Server 20, recommend configurations for compliance with national standards, including SELinux enforcement and firewall rules.

Adoption and Ecosystem

Government and Commercial Adoption

UOS has been promoted by the Chinese government as a key component of the "xinchuang" (IT application innovation) strategy, initiated to foster technological self-reliance by phasing out foreign software in public sector systems, with efforts intensifying since around 2019 to supplant Microsoft Windows. This aligns with broader policies restricting U.S.-origin technology in government procurement, emphasizing compatibility with domestic hardware like Loongson CPUs and Huawei cloud services to ensure operational sovereignty. Adoption in government agencies has grown steadily, supported by certifications for secure deployment in sensitive environments. State-owned enterprises (SOEs) represent a primary vector for UOS deployment, with Canalys analysts noting increasing uptake in these entities alongside government bodies, which shielded much of China's from the , 2024, global CrowdStrike-related IT outage affecting Windows-dependent systems worldwide. By late 2020, UnionTech had cultivated an ecosystem alliance involving over 1,000 partners to expand UOS compatibility for enterprise applications, including and Android emulation layers. UnionTech reported reaching three million desktop users by November 2023, predominantly in professional and institutional settings rather than consumer markets. Commercially, UOS targets enterprise and server deployments through specialized editions, with integrations for domestic processors such as enabling operation on fully indigenous hardware stacks since at least December 2019. Its professional variant supports Windows application compatibility via built-in emulation, facilitating transitions in SOEs and private firms aligned with national procurement guidelines, though widespread private-sector adoption remains constrained by ecosystem maturity compared to established alternatives.

Software and Hardware Support

UOS provides broad hardware support across multiple processor architectures, including x86_64 for and AMD-compatible systems, aarch64 for ARM-based devices such as those using Huawei's Kunpeng processors, loongarch64 for CPUs, and ppc64el for PowerPC platforms. This multi-architecture capability stems from collaborations with Chinese chip manufacturers, enabling compatibility with domestically produced processors like , Phytium (FeiTeng), ShenWei, Kunpeng, , and Hygon, as part of initiatives to reduce reliance on foreign semiconductors. For instance, by December 2019, UOS had achieved operational support for the KaiXian KX-6000 and KaiSheng KH-30000 processors on both desktop and server variants. Peripheral compatibility includes mainstream devices such as printers and input methods, with certified drivers integrated into the kernel and user-space components to ensure stability on and enterprise hardware. On the software front, UOS, being based on and , utilizes the APT package manager for installing applications, supporting a wide range of open-source tools and libraries compatible with repositories. Its ecosystem emphasizes certified adaptations for Chinese-developed software, including office suites like WPS, communication apps such as QQ and , input methods like , and browsers including Chrome and , with over 3 million verified hardware-software combinations reported as of November 2023. To bridge gaps with proprietary ecosystems, UOS incorporates a Windows application compatibility engine (version 3 as of December 2024), which enables direct execution of select files without full emulation, facilitating migration from Windows environments while maintaining -native performance. Server editions extend support to enterprise workloads, including database systems like on compatible architectures, with ongoing adaptations for emerging platforms such as ARMv9 and to enhance long-term hardware versatility.

Reception and Impact

Achievements in Localization

The Unity Operating System (UOS) has prioritized localization for the Chinese market, implementing a native in Simplified Chinese by default to align with domestic linguistic standards and user expectations. This foundational adaptation includes support for Chinese-specific input methods, such as and Wubi, integrated through frameworks like Fcitx or IBus, which are standard in its Deepin-derived environment. Such features address the complexities of hanzi input and display, enabling seamless operation for Chinese speakers in productivity and administrative tasks. Building on this, UOS incorporates cultural and regional adaptations, including compatibility with the Chinese lunar calendar, national date formats, and compliance with standards like GB/T for and font rendering. These elements have been instrumental in its certification for use, supporting China's 2019 initiative to supplant foreign operating systems with indigenous alternatives in deployments. By 2023, UOS achieved 3 million paid installations in its desktop edition, reflecting the efficacy of these localization efforts in enterprise and governmental contexts where localized software is paramount. Recent advancements further underscore UOS's localization progress, particularly through AI-enhanced features. The UOS AI 2.8 release in introduced the UOS AI Translation Agent, which delivers automatic, context-sensitive translations across languages without user prompts, bolstering multi-lingual accessibility. Inherited from its base extends to over 20 languages, including variants of Chinese (Simplified, Traditional for and , French, German, Russian, Spanish, and others, via community-driven projects. This multi-language framework, combined with ongoing adaptations for regional variants, has enabled deployments exceeding 6 million installations by late , primarily in China's key industries.

Criticisms and Challenges

The Unity Operating System has been criticized for utilizing outdated kernels, with the home edition employing version 5.10 and the professional edition relying on the even older 4.19, resulting in compatibility issues with contemporary hardware such as newer and modules that demand kernel 5.15 or higher for proper support. Support for the home edition has stalled, with no major updates beyond version 22.0 released as of mid-2024, potentially exposing users to unpatched vulnerabilities and limiting access to recent security fixes or features. Software compatibility presents ongoing challenges, including failures to run on NVIDIA-equipped systems due to driver conflicts triggered by 32-bit library installations, which can produce black screens; similarly, Android emulation via UEngine lacks services integration, curtailing app functionality. Users have encountered stability problems, such as intermittent network disconnections following suspension and resume cycles in PPPoE configurations, as well as errors during system updates attributable to unreachable repositories. The OS's activation mechanism, modeled after enterprise distributions like , imposes restrictions including account-based verification via UOS and services, with limited free activations and hurdles to rooting or developer mode access that complicate customization efforts. Despite achieving three million paid installations by late 2023, the ecosystem faces adoption barriers from insufficient native application development by major Chinese firms, perpetuating reliance on compatibility layers or alternatives and constraining productivity in non-government contexts.

Controversies

Privacy and Security Concerns

The Unity Operating System (UOS), developed by UnionTech Software Technology Co., Ltd., a Chinese firm, has raised and concerns primarily due to its origins in a regulatory environment that mandates cooperation with state intelligence efforts. Under China's 2017 National Intelligence Law, companies must assist agencies in intelligence gathering, potentially enabling undisclosed data access or backdoors in software used by state-affiliated entities, where UOS sees significant deployment. While no publicly verified backdoors have been identified in UOS code, this legal framework heightens risks for users handling sensitive information, as transparency is limited compared to Western open-source projects, with key components derived from Linux undergoing proprietary modifications. UOS inherits scrutiny from its base, which has faced allegations of sending user data to Chinese servers and a permitting extensive data collection for "service improvement." Independent audits have not confirmed active , but incidents like Deepin's 2019 packaging that bypassed reviews in distributions such as led to its removal from repositories, citing risks of unvetted and inconsistent maintenance. In May 2025, explicitly dropped Deepin components over policy violations allowing potential exploits, underscoring broader trust issues in Chinese forks. UOS's commercial editions, including activation mechanisms akin to enterprise , further limit user control, potentially facilitating centralized updates that could introduce uninspected changes. From a security standpoint, UOS emphasizes domestic certifications, such as Level 3 equivalence under China's GB/T 18336 standard for government use, positioning it as resilient against foreign threats like U.S.-origin vulnerabilities. However, critics argue this focus prioritizes state-controlled ecosystems over global best practices, with limited independent vulnerability disclosures; for instance, Deepin-derived desktops have shown delays in patching known Debian upstream issues. Privacy advocates highlight risks in UOS's ecosystem integration, where government-mandated localization could enable surveillance in deployments across state-owned enterprises, as evidenced by its adoption in over 3 million paid installations by 2023, predominantly in China. Users outside China face supply-chain risks, as UnionTech's ties to initiatives like the UOS Preparatory Group—backed by entities including China Electronics Group—suggest alignment with national security priorities over individual privacy.

Geopolitical and Ideological Debates

The Unity Operating System (UOS) emerged as a of China's geopolitical strategy to mitigate risks from U.S.-led technological restrictions, including export controls on semiconductors and software bans imposed since 2018. Developed in the early by UnionTech in collaboration with state entities, UOS forms part of the Central Affairs Commission's "Document 79" directive, mandating the phased replacement of foreign operating systems in infrastructure by 2027 to achieve "secure and controllable" IT environments resistant to external disruptions or sanctions. This initiative aligns with broader efforts under the 14th Five-Year Plan (2021–2025) to foster a domestic software ecosystem, leveraging foundations for compatibility while prioritizing national sovereignty amid U.S.-China tech decoupling. Ideologically, UOS embodies the Chinese Communist Party's emphasis on zizhu chuangxin (independent innovation) as a safeguard against foreign ideological infiltration and economic dependence, integrating state-guided open-source development to support military applications like systems. Proponents, including state-backed analyses, highlight UOS's role in enhancing resilience, as evidenced by China's limited impact from the July CrowdStrike-induced global outage, which affected Windows-dependent systems worldwide. However, debates persist over its ideological alignment with authoritarian governance: while the open-source model ostensibly promotes collaborative innovation, critics from Western security perspectives argue that CCP oversight—evident in code repository reviews like those on in 2022—imposes censorship and potential backdoors, subordinating technological transparency to political control and potentially stifling genuine creativity. Geopolitically, UOS advances China's influence in the Global South by offering sanction-proof alternatives, yet faces international skepticism regarding and trust, limiting adoption beyond state sectors and fueling concerns that its export could propagate a "" model incompatible with liberal open-source norms. This tension underscores a core ideological divide: China's state-orchestrated unity in technology as a bulwark for versus Western preferences for decentralized, vendor-agnostic ecosystems free from centralized ideological mandates.

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