ReactOS

ReactOS is a free and free open source operating system project.

2022: Launch on a system with an Elbrus-8C1 processor

Developers operating system of ReactOS, aimed at ensuring compatibility with programs and drivers, Microsoft Windows managed to launch a 64-bit ReactOS port on the system with. processor Elbrus-8C1 This became known on August 9, 2022. The launch was carried out in x86 instruction translation mode using the Lintel 4.2 translator. They also function keyboard mouse with the PS/2 interface, USB the accumulators are determined, but not yet mounted. Images are available for download from the official website in the nightly builds section.

In addition, it is noted that thanks to the work of George Bișoc to improve security mechanisms in ReactOS, it is now possible to use the Server 2003 kernel by simply replacing^[1].

2016

ReactOS 0.4.0

On February 16, 2016, the ReactOS developer community announced the release operating system of the ReactOS 0.4.0 branch. It is focused on ensuring compatibility with programs and drivers Microsoft Windows^[2]

Screenshot of the ReactOS 0.4.0 (2016) system shell window

Major changes to ReactOS 0.4:

• User shell implementation (Explorer.exe)
• full support for USB, SATA, sound cards and wireless network adapters;
• Application Installation Manager. LibreOffice Firefox Opera uTorrent Thunderbird Miranda Assemblies of various applications are available for installation, including AbiWord,, SeaMonkey,,, VLC, GIMP,, PuTTY,,, Qmmp, Winamp, SMplayer, Inkscape, Scribus, LibreCAD;
• Full support for custom shell themes and USER32 interface elements
• the ability to run in VirtualBox and VirtualPC environments;
• simplification of installer operation;
• the ability to install and run ReactOS on top of partitions with the ext2 file system. NTFS support is still limited to read-only access;
• an improved graphics stack, with some 2D performance operations leading Windows. Progress in 3D support;
• Including the mbed TLS library in the delivery
• the ability to run 16-bit DOS programs thanks to the delivery of the NTVDM (NT Virtual DOS Machine) emulator;
• redesign of the memory management system.
• an improved build system based on CMake and GCC and MSVC compilers;
• support for remote kernel debugging using GDB. WinDBG Support/

System description

According to 2016 information, ReactOS is not a clone of Windows, but a compatible OS with Windows applications and drivers (Windows NT version 5.x and higher - Windows 2000 and beyond).

ReactOS uses a graphical interface similar to early versions of Windows.

Project coordinator Alexey Bragin. Among the active developers of the system are citizens of different countries.

Most operating system is written in C. ReactOS Explorer and a yard of components on. C++ ReactOS is compiled using MinGW and. Microsoft Visual Studio ReactOS is recognized as Windows Server 2003 due to the fact that the kernel is written for compatibility with it.

2015: Testing the upcoming release of ReactOS 0.4

On December 16, 2015, the ReactOS developer community announced the start of pre-release testing of ReactOS 0.4^[3] of the^[3].

652 groups took part in testing ReactOS 0.4, the OpenNet resource said. 9.6 million tests were carried out, of which 5.5 thousand failed (0.057%). For comparison, 239 test groups took part in ReactOS 0.3.9 testing and 7.2 million tests were carried out.

Screenshot of the ReactOS desktop (2014)

In release 0.3.9, all tests were passed in 42.42% of groups, in version 0.4 - in 65.49% (compatibility level with applications). ReactOS 0.4 has support for VBOX, USB and SATA, support for sound, wired and wireless networks, file explorer.

According to the project website, ReactOS 0.4 failed to launch uTorrent 3.4.5, Winamp 5.666, VLC Media Player 2.2.1, Miranda IM 0.10.34, Diablo 2 Shareware 1.4 and some other programs.

There were no problems running LibreOffice 4.4.6.3, Apache OpenOffice 4.1.1, Mozilla Firefox 39.03 and other applications. The complete list will be formed upon completion of testing.

Notes