By Mark E. Russinovich
Delve inside of home windows structure and internals—and see how center parts paintings backstage. Led via 3 well known internals specialists, this vintage consultant is totally up-to-date for home windows 7 and home windows Server 2008 R2—and now offers its insurance in volumes.
As constantly, you get severe insider views on how home windows operates. and during hands-on experiments, you’ll event its inner habit firsthand—knowledge you could practice to enhance software layout, debugging, process functionality, and support.
In half 1, you will:
- know how center process and administration mechanisms work—including the item supervisor, synchronization, Wow64, Hyper-V, and the registry
- study the information constructions and actions at the back of techniques, threads, and jobs
- cross contained in the home windows safeguard version to work out the way it manages entry, auditing, and authorization
- discover the home windows networking stack from most sensible to bottom—including APIs, BranchCache, protocol and NDIS drivers, and layered services
- Dig into internals hands-on utilizing the kernel debugger, functionality computer screen, and different instruments
Read or Download Windows Internals, Part 1: Covering Windows Server® 2008 R2 and Windows 7 PDF
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Extra resources for Windows Internals, Part 1: Covering Windows Server® 2008 R2 and Windows 7
Sample text
User application code runs in user mode, whereas operating system code (such as system services and device drivers) runs in kernel mode. Kernel mode refers to a mode of execution in a processor that grants access to all system memory and all CPU instructions. By providing the operating system software with a higher privilege level than the application software has, the processor provides a necessary foundation for operating system designers to ensure that a misbehaving application can’t disrupt the stability of the system as a whole.
To see the descriptions, select a counter in the Add Counters window and select the Show Description check box. CHAPTER 1 Concepts and Tools 25 Although all the low-level system monitoring we’ll do in this book can be done with the erformance Monitor, Windows also includes a Resource Monitor utility (accessible from the start P menu or from the Task Manager Performance tab) that shows four primary system resources: CPU, Disk, Network, and Memory. In their basic states, these resources are displayed with the same level of information that you would find in Task Manager.
Also, a mechanism called Driver Verifier helps device driver writers to find bugs (such as buffer overruns or memory leaks) that can cause security or reliability issues. Driver Verifier is explained in Chapter 10 in Part 2. On 64-bit versions of Windows, the Kernel Mode Code Signing (KMCS) policy dictates that any 64-bit device drivers (not just Plug and Play) must be signed with a cryptographic key assigned by CHAPTER 1 Concepts and Tools 17 one of the major code certification authorities. The user cannot explicitly force the installation of an unsigned driver, even as an administrator, but, as a one-time exception, this restriction can be disabled manually at boot time by pressing F8 and choosing the advanced boot option Disable Driver Signature Enforcement.