# powershell

* [Basic](#basic)
* [disk](#disk)
* [list top processes sort by memory](#list-top-processes-sort-by-memory)
* [sum memory of all processes](#sum-memory-of-all-processes)
* [list and grep process members](#list-and-grep-process-members)
* [query process by WMI](#query-process-by-wmi)

## aliases

```
% = foreach = ForEach
? = where = Where-Object  # ?{ $_ -NotMatch "regex" } 
```

## 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
```