Windows Operating System Structure

Overview of Root Directory

In Windows operating systems, the root directory, typically the C: drive, contains essential system files and user data. Here's an organized view of the standard directories and their functionalities:

Standard Directories

• Perflogs: Stores performance logs (usually empty by default).
• Program Files: Holds 64-bit applications on 64-bit systems and both 32-bit and 64-bit apps on 32-bit systems.
• Program Files (x86): Specifically for 32-bit applications on 64-bit systems.
• ProgramData: Hidden folder for shared application data accessible to all users.
• Users: Contains user profiles including Public and Default.
  • Public: Shared files accessible to all users.
  • Default: Serves as a template for new user profiles.
  • AppData: Contains per-user application data with three subfolders:
    • Roaming: User-specific data synchronized across devices.
    • Local: Machine-specific data.
    • LocalLow: For data with lower integrity needs.
• Windows: Core files for the operating system.
• System, System32, SysWOW64: Essential DLLs for Windows operations and APIs.
• WinSxS: Windows Component Store for system components and updates.

System Files

• $Recycle.Bin: Repository for deleted files from all users.
• $WinREAgent: Used by Windows Recovery Environment.
• hiberfil.sys: Stores system state during hibernation.
• pagefile.sys: Virtual memory paging file.
• swapfile.sys: Facilitates data transfer between RAM and storage.
• System Volume Information: Contains system restore points and related data.
• Recovery: Stores recovery information and system images.