A+ 220-1001: Day 7: OS Operations, User Management & OS Maintenance

  1. A+ Certification
  2. A+ 220-1001: Day 1: Intro, Resources & the Test
  3. A+ 220-1001: Day 2: CPUs
  4. A+ 220-1001: Day 3: RAM
  5. A+ 220-1001: Day 4: Firmware, Motherboards & Power Supplies
  6. A+ 220-1001: Day 5: Disks & Mass Storage
  7. A+ 220-1001: Day 6: Peripherals & PC Builds
  8. A+ 220-1001: Day 7: OS Operations, User Management & OS Maintenance
  9. A+ 220-1001: Day 8: Users, Permissions and System Management
  10. A+ 220-1002: Day 9: The Command Line & OS Troubleshooting
  11. A+ 220-1002: Day 10: Displays & Networking Basics
  12. A+ 220-1002: Day 11: LANs: Ethernet & WiFi
  13. A+ 220-1002: Day 12: The Internet & Virtualization
  14. A+ 220-1002: Day 13: Portable & Mobile Computing
  15. A+ 220-1002: Day 14: Mobile Administration & Printing
  16. A+ 220-1002: Day 15: Security & Operations
  17. A+ 220-1002: Day 16: Review & Test Preparation

OS Operations

The Registry






Two for the machine:

HKEY_LOCAL_MACHINE (generic, also called HKLM)

HKEY_CURRENT_CONFIG (the current config, duh)

Two for users:

HKEY_USERS (all of them)

HKEY_CURRENT_USER (the logged-in user)

One for software:


Booting Windows


BIOS/MBR drive’s boot record points to the bootmgr

GPT points directly to bootmgr

The bootmgr uses a BCD (boot configuration data) to findĀ  and boot the right partition.

BCD is edited with the bcdedit command

Microsoft Utilities


Runline: Task Manager


Runline: mmc

System Restore – Disabled by default in Win 10!

Restore Points

Task Manager

Ctl – Alt – Del + click Task Manager


Ctl – Shift – Esc


type taskman in the runline

Ending and starting processes



Mark Russinovich

Runline: Process Explorer

Installing Sysinternals

echo %PATH%

Your PATH is a list of folders. When you issue a command, the OS looks in these folders for the command (usually an executable file). System32 is in your PATH.

Download Sysinternals, unzip it, GO INTO THE RESULTING FOLDER, copy the files, then change to System32 and PASTE. Do NOT paste the unzipped folder – only its contents.


net start service_name
net stop service_name
taskkill task_number

Resource Monitor

Runline: resource monitor

Performance Monitor

Runline: perfmon

or use Sysinternals:

Runline: procmon

Textbook Time

Chapter 12