Basic

Set-ExecutionPolicy RemoteSigned
Enable-PSRemoting -Force

Import-Module ServerManager
Add-WindowsFeature RDS-Virtualization

disk

GWMI -namespace root\cimv2 -class win32_volume | FL -property DriveLetter, DeviceID

list top processes sort by memory

Get-Process | Sort WorkingSet -Descending  | select-object  Id, Name, 
@{Name='WorkingSet(Mb)';Expression={"{0:N2}" -f ($_.WorkingSet / 1Mb)}}, 
@{Name='PrivateMemorySize(Mb)';Expression={"{0:N2}" -f ($_.PrivateMemorySize / 1Mb)}}, 
@{Name='PM(Mb)';Expression={"{0:N2}" -f ($_. PM/ 1Mb)}}, 
@{Name='NPM(Mb)';Expression={"{0:N2}" -f ($_. NPM/ 1Mb)}}  `
-First 10 | Format-Table

sum memory of all processes

Get-Process  | measure-object -sum 'PrivateMemorySize', PM,NPM,WS  |  
select-object  @{Name='Sum(Gb)';Expression={"{0:N2}" -f ($_.sum / 1Gb  ) }  } ,count, Property

list and grep process members

Get-Process | Get-Member | findstr Mem

query process by WMI

Get-WMIObject Win32_Process