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Operating Systems

Chapter 11 Terms

Administrative Tools A group of tools accessed through the Control Panel that you can use to manage the Local Computer or other comtuers on the network.
Computer Management (Compmgmnt.msc) A Windows concole that contains several tools used by technicians to manage a computer.
Console A window that consolidates several Windows tools.
Data Collector Set A utility in Windows Reliability and Performance Monitor that is used to create a set of counters to collect data about the system to measure performance.
Event Viewer (Eventvwr.msc) A tool used to troubleshoot problems with Windows, applications, and hardware.
Executive Services Windows group of components running in kernel mode that interfaces between the subsytems in user mode and the HAL.
HAL (Hardware Abstraction Layer) Low level part of Windows, written specifically for each CPU technology, so hat only the HAL must change when platform components change.
HKEY_CLASSES_ROOT (HKCR) Windows Registry key that stores information to determine which application is opened when the user double-clicks on a file.
HKEY_CURRENT_CONFIG (HKCC) Windows Registry key that contains information about the hardware configuration that is used by the computer at startup
HKEY_CURRENT_USER (HKCU) Windows Registry key that contains data about the current user. key is built when a user logs on using data kept in the HKEY_Users key.
HKEY_LOCAL_MACHINE (HKLM) Windows registry key that contains hardware software and security data. Built with info taken from SAM Hive. Security Hive, Software hive, and System hive upon startup.
HKEY_USERS (HKU) Windows registry key that contains data about all users and is taken from the Default hive.
Kernel The portion of an OS that is responsible for interacting with the hardware.
Kernel Mode Windows "Privileged" processing mode that has access to hardware components.
Microsoft Management Console (MMC) Windows utility to build customized consoles. The Consoles can be saved to a file with an .msc extension.
Performance Information and Tools Windows utility that provides information to evaluate the performance of a system and to adjust windows for best performance.
Process A program that is running under the authority of the chell, together with the system resources assigned to it.
ReadyBoost a Windows utility that uses a flash drive or secure digital (SD) memory card to boost hard drive performance
Performance Monitor Microsoft management console snap-in that can track activity by hardware and software to measure performance.
Registry A database that Windows uses to store hardware and software configuration information, user preferences, and setup information.
Registry Editor (Regedit.exe) The Windows utility used to edit the Windows registry
Reliability and Performance Monitor (Perfmom.msc) A windows utility that collects, records, and displays events (data collector sets), that can help track the performance and reliability of Windows. Known in Windows XP as "System Monitor".
Reliability Monitor A windows utility that provides information about problems and errors that happen over time.
Resource Monitor Windows tool that monitors the performance of the processor, memory, hard drive and network.
Services Console A console used by Windows to stop, start, and manage background services used by Windows and applications.
Shell The portion of an OS that relates to the user and to applications.
Snap-ins A windows utility that can be installed in a console window by Microsoft Management Console.
System Configuration (Msconfig.exe) Windows utility that can identify what process are launched at startup and can temporarily disable a process from loading.
System Monitor The Windows XP performance monitor
Task Manager (Taskmgr.exe) Windows utility that lets you view the applications and processes running on your computer as well as information about the process, memory usage, cpu usage, network activity and user activity.
Task Scheduler Windows tool that can set a tast or program to launch at a future time, including at startup.
Thread A single task that is part of a longer tast or request from a program.
User Mode Windows mode that provides an interface between an application and the OS. Only ahas access to the hardware resources through code running in the kernel.