Learning operating system concepts through hands-on Windows tasks

Business Scenario

Welcome!

You are working as a System Administrator at SysCore Technologies, where your responsibility is to manage and monitor Windows systems for smooth operation and security. Through hands-on tasks, you analyze running processes, manage files and permissions, control user accounts, and perform basic network diagnostics. By exploring core OS functions, you ensure system stability, proper access control, and efficient resource management across the organization.

Pre-Lab Preparation

Topic : Operating System Fundamentals

1) Basics of Operating Systems.

2) Windows OS fundamentals.

 

Perform hands-on tasks to:

  • Analyze running processes

  • Manage file systems and permissions

  • Control user accounts and privileges

  • Networking Basics

Task 1: Exploring Core OS Functions and Windows     System Navigation

1

 Process & Task Management

Perform:

View running processes

b

a

Open Command Prompt

Identify a running application

c

Start a process:  start notepad | snipping tools | Fiddler

d

  • Find its PID:

     

tasklist | find "notepad"
  • Kill the process:
taskkill /PID <pid> /F

Result:

Able to view, start, and terminate processes

2

File System (NTFS) Operations

Perform:

Navigate to user directory:  

a

cd C:\Users
  • For list the folder 
dir

Create a folder

b

 mkdir LabFolder

  • Then For Open the folder Use

cd LabFolder

Create files:

c

echo Hello > file1.txt
echo Secure > file2.txt

View hidden/system files:

d

dir /a

To view the text files use :

e

file1.txt

3

File Permissions (NTFS Permissions)

Perform:

Check permissions:

a

icacls file1.txt

Deny access:

b

icacls file1.txt /deny Everyone:F

Verify restriction by opening file

c

Restore permissions:

d

icacls file1.txt /remove:d Everyone

Result:  

Control and test file access permissions

4

User Accounts & Privileges:

Perform:

Create a new user:

a

net user labuser Pass@123 /add

View all users:

b

net user

Add user to admin group:

c

net localgroup administrators labuser /add

Verify admin members:

d

net localgroup administrators

Delete user (cleanup):

e

net user labuser /delete

Result: 

Manage users and privilege levels

5

Networking Basics

Perform:

View IP configuration:

a

ipconfig /all

Test connectivity:

b

ping google.com

Trace route: 

c

tracert google.com

View active connections:

d

netstat -ano

Identify listening ports:

e

netstat -an

Activity

Windows File System – Folder Exploration

WinREAgent

  • Used during Windows Recovery and Update process

  • Helps in system repair and rollback

Intel

  • Contains Intel driver and installation files

  • Related to processor and hardware support

PerfLogs

  • Stores performance logs and system diagnostics data

  • Used for troubleshooting system performance

SWSetup

  • Contains software/driver installation files (mostly OEM)

  • Used for reinstalling drivers

Program Files

  • Default folder for 64-bit installed applications

  • Example: Chrome, Ncap,Et

Program Files (x86)

  • Stores 32-bit applications on 64-bit Windows

  • Separate for compatibility

 ProgramData

  • Hidden folder storing application data shared by all users

  • Used by software for configuration

 Users

  • Stores all user profiles

 Windows

  • Most important folder

  • Contains Operating System files and system components

  • Do not modify manually

 Windows

  • Most important folder

  • Contains Operating System files and system components

  • Do not modify manually

 

Great job!
You have successfully completed your lab on Windows System Administration and Security Fundamentals.

In this lab, you have: Managed processes and identified suspicious activity, Worked with the NTFS file system, Applied and tested file permissions, Managed users and privileges, Analyzed network connections and detected unusual activity.

You are now ready to move to the next stage of system administration and security management.

Checkpoint

Next-Lab Preparation

Topic : Operating System Fundamentals

1) Basics of Operating Systems

2) Windows OS fundamentals
 

learning operating system concepts - Template

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