$PSVersionTable

Get-Help Get-Service -Full
Get-Help Get-Service -Examples

# All commands that work with services
Get-Command -Noun Service

# All commands that use the verb 'Get'
Get-Command -Verb Get

Get-Alias

# Filter objects
Get-Process | Where-Object { $_.CPU -gt 10 }

# Select specific properties
Get-Process | Select-Object Name, CPU, WorkingSet | Sort-Object CPU -Descending

# Table
Get-Service | Format-Table Name, Status, StartType -AutoSize

# List (detailed)
Get-Service -Name "wuauserv" | Format-List *

# Method 1 — TimeSpan since boot
(Get-Date) - (Get-ComputerInfo).OsLastBootUpTime

# Method 2 — Exact timestamp
(Get-CimInstance Win32_OperatingSystem).LastBootUpTime

Get-CimInstance Win32_ComputerSystem

Get-CimInstance Win32_BIOS

(Get-CimInstance Win32_ComputerSystem).Domain

Get-PSDrive -PSProvider FileSystem

(Get-PSDrive $env:SystemDrive.Trim(':')).Free / 1GB

Get-Volume

Get-CimInstance Win32_Printer |
    Select-Object Name, PortName, Default |
    Format-List

Get-Service |
    Where-Object { $_.Status -eq 'Stopped' -and $_.StartType -eq 'Automatic' }

Set-ExecutionPolicy -ExecutionPolicy Unrestricted -Scope CurrentUser

# Stop related processes
$processes = "ltsvcmon","ltsvc","lttray","labvnc","labtechupdate"
Stop-Process -Name $processes -Force -ErrorAction SilentlyContinue

# Restart services
$services = "ltsvcmon","labvnc","ltservice"
Restart-Service -Name $services -Force -ErrorAction SilentlyContinue

$cutoff = (Get-Date).AddDays(-30)

Get-ScheduledTask | ForEach-Object {
    $info = Get-ScheduledTaskInfo $_
    [PSCustomObject]@{
        TaskName    = $_.TaskName
        State       = $_.State
        LastRunTime = $info.LastRunTime
        TaskPath    = $_.TaskPath
    }
} | Where-Object { $_.LastRunTime -ge $cutoff } |
    Sort-Object LastRunTime |
    Format-Table -AutoSize

Get-EventLog -Log System -Newest 100 |
    Where-Object { $_.EventID -eq '1074' } |
    Format-Table MachineName, UserName, TimeGenerated -AutoSize

# Adapter speed and status
Get-NetAdapter | Select-Object Name, LinkSpeed, Status

# Packet statistics
Get-NetAdapterStatistics |
    Select-Object Name, ReceivedPackets, ReceivedDiscardedPackets, OutboundDiscardedPackets

netsh wlan show wlanreport

Start-Transcript -Path "C:\Logs\output.txt" -IncludeInvocationHeader $false -Force
# Your commands here
Stop-Transcript

# Step 1 — Install Chocolatey
Set-ExecutionPolicy Bypass -Scope Process -Force
[System.Net.ServicePointManager]::SecurityProtocol =
    [System.Net.ServicePointManager]::SecurityProtocol -bor 3072
Invoke-Expression ((New-Object System.Net.WebClient).DownloadString(
    'https://community.chocolatey.org/install.ps1'))

# Step 2 — Install PowerShell Core
choco install powershell-core -y --force

Get-ADGroupMember -Identity <group_name> -Recursive |
    Select-Object Name, SamAccountName

$tspan = (New-TimeSpan -Days 90)

$inacUser = Search-ADAccount -AccountInactive -TimeSpan $tspan -UsersOnly |
    Where-Object { $_.Enabled -eq $true } |
    Select-Object Name, DistinguishedName, LastLogonDate

Write-Host "$($inacUser.Count) inactive enabled user accounts found" -ForegroundColor Green
$inacUser

$week = (Get-Date).AddDays(-7)

$ADuserInWeek = Get-ADUser -Filter { whenCreated -ge $week } -Properties WhenCreated |
    Select-Object Name, WhenCreated, DistinguishedName

Write-Host "$($ADuserInWeek.Count) users created in the last 7 days" -ForegroundColor Green
$ADuserInWeek

Resolve-DnsName -Type ALL -Name "_ldap._tcp.dc._msdcs.$env:USERDNSDOMAIN"

Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* |
    Select-Object DisplayName, DisplayVersion, Publisher, InstallDate |
    Format-Table -AutoSize

Get-ADUser -Filter { Enabled -eq $true } -Properties LastLogonTimeStamp |
    Select-Object Name, @{
        Name       = "LastLogon"
        Expression = { [DateTime]::FromFileTime($_.LastLogonTimeStamp).ToString('dd-MM-yyyy HH:mm:ss') }
    } | Sort-Object LastLogon -Descending

Backup-GPO -All -Path "C:\Temp\AllGPO"