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Windows Under The Hood - Coggle Diagram
Windows Under The Hood
Registry
Database
Stores Everything about the PC
Root Keys
organizational Unit
HKEY_CLASSES_ROOT
Defines Standard Class objects
What the Computer can do with a given file
HKEY_CURRENT_USER
personal info of current user
HKEY_LOCAL_MACHINE
Data for non-user specific programs
HKEY_USERS
personal info for all users
HKEY_CURRENT_CONFIG
Stores multiple machine setting profiles
DWORD
32 bits
QWORD
64 bits
Boot Process
Step 1
UEFI
Starts up
Loads bootmgr
BIOS
Starts up
Scans Hard drive for MBR
MBR scans Partition table for system partition
MBR Loads System Partition
Finds Boot sector
Boot sector points to bootmgr
Step 2
bootmgr starts
bootmgr reads data from BCD
Boot config Data
has info about installed OS
Tells bootmgr how to load OS
bootmgr loads winload.exe
winload.exe readies everything for the OS kernal
ntoskrnl.exe
Loads memory
Loads registry
Loads drives
winload.exe hands everything over to the OS
Programs
Application
In a window
Stops when pressing the X
Service
Runs in background
Rarely seen by the user
Tools
UAC Virtualization
Used by older programs
Avoids accessing Protected Folders
Dump File
Stats of a program at that exact moment made
File
Process explorer
Task Manager but better
System monitor
Shows Process tree
Services applet
services.msc
allows a user to start, stop or configure a service
resource moitor
Task manager 2.0
info about hardware use
Info about software use
applet