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ntoskrnl.exe (short for Windows NT operating system kernel executable), also known as the kernel image, contains the kernel and executive layers of the Microsoft Windows NT kernel, and is responsible for hardware abstraction, process handling, and memory management.
Kernel mode in Windows NT has full access to the hardware and system resources of the computer. The Windows NT kernel is a hybrid kernel; the architecture comprises a simple kernel, hardware abstraction layer (HAL), drivers, and a range of services (collectively named Executive), which all exist in kernel mode. [29]
The Windows NT operating system family's architecture consists of two layers (user mode and kernel mode), with many different modules within both of these layers.. The architecture of Windows NT, a line of operating systems produced and sold by Microsoft, is a layered design that consists of two main components, user mode and kernel mode.
Windows NT 3.1 is the first major release of the Windows NT operating system developed by Microsoft, released on July 27, 1993. It marked the company's entry into the corporate computing environment, designed to support large networks and to be portable, compiled for Intel x86 , DEC Alpha and MIPS based workstations and servers . [ 3 ]
Kernel name Framebuffer display management GPU scheduler GPU memory management in-kernel Remote Desktop Linux Linux framebuffer (fbdev) / Direct Rendering Manager: Kernel Mode Setting: DRM sched [69] DMA-BUF: No Windows NT kernel Dxgkrnl.sys VidPN Manager in Dxgkrnl.sys [70] VidSch in Dxgkrnl [71] VidMm in Dxgkrnl.sys, Dxgmms1.sys, and Dxgmms2 ...
The Local Inter-Process Communication [1] (LPC, often also referred to as Local Procedure Call or Lightweight Procedure Call) is an internal, undocumented inter-process communication facility provided by the Microsoft Windows NT kernel for lightweight IPC between processes on the same computer.
Monitor Resource Usage: Use built-in system monitoring tools or third-party software to track CPU, memory, disk and network usage, and identify resource-intensive processes that may be slowing ...
Nt or Zw are system calls declared in ntdll.dll and ntoskrnl.exe. When called from ntdll.dll in user mode, these groups are almost exactly the same; they execute an interrupt into kernel mode and call the equivalent function in ntoskrnl.exe via the SSDT .