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Top 50 Powerful PowerShell Commands Every IT Admin Should Know

For Daily Uses and Beginners

PowerShell is a must-have tool for system administrators, cloud engineers, and IT professionals. With the right commands, you can automate tasks, troubleshoot faster, and manage systems more efficiently.Β 

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      1. Create a Virtual Machine and Install Windows server 2022, For YouTube Video Click Here.
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      3. Top 50 Powerful Basic CMD Commands.
      4. Top 50 Advanced CMD Commands.

Below are 50 powerful PowerShell commands with quick explanations.

Top 10 System Information & Management PowerShell Commands

    1. Get-ComputerInfo – Displays detailed system information.
    2. Get-Process – Lists all running processes with process ID.Top 50 Powerful PowerShell Commands - Powershell Process
    3. Stop-Process -Name notepad – Kills a process by name. (Replace process name with notepad).
    4. Get-Service – Shows all services and their status.
    5. Start-Service -Name spooler – Starts a specific service. (Replace service name with spooler).
    6. Stop-Service -Name spooler – Stops a specific service. (Replace service name with spooler).
    7. Restart-Service -Name spooler – Restarts a service. (Replace service name with spooler).
    8. Get-EventLog -LogName System -Newest 20 – Views recent system logs (recent 20).
    9. Get-WmiObject Win32_OperatingSystem – Retrieves OS details and Version.
    10. Get-HotFix – Lists installed Windows updates.

Top 10 File & Folder Operations PowerShell commands

    1. Get-ChildItem C:\ – Lists files/folders in a directory (C:\).
    2. New-Item -Path C:\Test -ItemType Directory – Creates a new folder. (Test folder in C:\).
    3. Remove-Item C:\Test -Recurse – Deletes a folder and contents (Test folder).
    4. Copy-Item C:\file.txt D:\ – Copies a file. (From C: drive to D: drive, change path or file name as per requirement).
    5. Move-Item C:\file.txt D:\ – Moves a file.
    6. Rename-Item C:\old.txt new.txt – Renames a file. (From old.txt to new.txt).
    7. Get-Content file.txt – Reads file contents from file.txt.
    8. Set-Content file.txt “Hello World” – Writes text to a file, in file.txt. If file is not in same working directory, use full file path like C:\file.txt.
    9. Add-Content file.txt “New Line” – Appends text to a file.
    10. Clear-Content file.txt – Clears file contents.

Top 10 User & Permission Management PowerShell commands

    1. Get-LocalUser – Lists local users.
    2. New-LocalUser -Name TestUser -Password (Read-Host -AsSecureString) – Creates a new user, It will prompt to set password.
    3. Remove-LocalUser -Name TestUser – Deletes a user.
    4. Get-LocalGroup – Lists local groups.
    5. Add-LocalGroupMember -Group Administrators -Member TestUser – Adds user to a group. (Add Testuser to Administrators).
    6. Remove-LocalGroupMember -Group Administrators -Member TestUser – Removes user from a group.
    7. Get-Acl C:\Test – Displays file/folder permissions.
    8. Set-Acl C:\Test (Get-Acl D:\Source) – Copies permissions from another folder. (Copy permissions from D:\source to C:\Test folder).
    9. Get-ADUser -Filter * – Lists Active Directory users (requires AD module).
    10. Get-ADGroupMember “Domain Admins” – Lists members of a domain group (Domain Admins).

Top 10 Networking & Connectivity PowerShell commands

    1. Test-Connection google.com – Pings a host. (Like google.com or IP address).
    2. Get-NetIPAddress – Shows IP configuration.
    3. Get-NetAdapter – Lists network adapters.
    4. Disable-NetAdapter -Name “Ethernet” – Disables a network adapter with adapter name like Ethernet.
    5. Enable-NetAdapter -Name “Ethernet” – Enables a network adapter with adapter name like Ethernet.
    6. Get-NetTCPConnection – Displays active TCP connections.
    7. Get-DnsClientServerAddress – Shows DNS servers on all adapters.
    8. Set-DnsClientServerAddress -InterfaceAlias “Ethernet” -ServerAddresses 8.8.8.8 – Sets DNS server on a adapter like Ethernet. (Change 8.8.8.8 with your DNS server IP).
    9. Get-NetFirewallRule – Lists firewall rules.
    10. New-NetFirewallRule -DisplayName “AllowApp” -Direction Inbound -Program “C:\app.exe” -Action Allow – Creates a firewall rule. (Rule name -AllowApp, type – Inbound and allowing – App.exe, replace accordingly).

Top 10 Automation & Advanced Tasks PowerShell commands

    1. Get-Job – Lists background jobs.
    2. Start-Job -ScriptBlock {Get-Process} – Runs a command as a background job. (Replace Get-Process with your command which you want to run in background).
    3. Receive-Job -Id 1 – Gets results from a job. (replace job ID with required one).
    4. Remove-Job -Id 1 – Deletes a job. (replace job ID with required one).
    5. Get-ScheduledTask – Lists scheduled tasks.
    6. Register-ScheduledTask – Creates a new scheduled task.
    7. Get-Module – Lists installed PowerShell modules.
    8. Install-Module -Name Az – Installs a module from PSGallery. (replace module name with Az).
    9. Import-Module Az – Loads a module. (replace module name with Az).
    10. Export-Csv processes.csv -NoTypeInformation – This can be pipe to another command to Exports data to CSV. Like Get-Process | Export-Csv processes.csv -NoTypeInformationΒ it will exports processes to a CSV file in working directory.

Many of these commands can beΒ Combine into scripts to automate repetitive tasks like user creation, log collection, or system monitoring.

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