# PowerShell System Management

## Get-ComputerInfo

For having information about the system

```powershell
Get-ComputerInfo

$serverInfo = Get-ComputerInfo
$serverInfo.OsVersion
Get-ComputerInfo | Seleect-Object -Property 'Timezone'
```

## Processes

Windows **processes** are running instances of programs that contain 
their own memory space and system resources. 
Each process can host one or more threads and is 
managed by the operating system to provide isolation, scheduling, 
and controlled access to system resources.

### Get-Process

For having all the process

```powershell
Get-Process

#find one by name
Get-Process -Name taskmngr

Get-Process | Format-Table -Property Name, Id
```

### Start-Process

start a process

```Powershell
Start-Process -FilePath "C:\Windows\system32\notepad.exe"
```

### Stop-Process

```powershell
Stop-Process -Name "notepad"

Stop-Process -Name "notepad" -Force
```

## Service

Windows **services** are background programs that run independently of 
user logins and provide core system or application functionality. 
They are managed by the Service Control Manager and can be started, 
stopped, paused, or configured to run automatically, 
making them essential for system stability, networking, 
security, and ongoing operations.

### Get-Service

For listing every services

```powershell
Get-Service -Name "Print Spooler"

Get-Service | Format-Table -Property Statys, DisplayName

Get-Service | Where-Object {$_.Status -eq "Stopped"}
Get-Service | Where-Object {$_.Status -eq "Running"}
```

### Stop-Service

```powershell
Stop-Service -Name "Print Spooler"
```

### Start-Service

```powershell
Start-Service -Name "Print Spooler"
```

### Restart-Service

```powershell
Restart-Service -Name "Print Spooler"
```

## Volumes

Windows **volumes** are logical storage units used to organize and 
access data on physical disks. 
They are formatted with a file system, assigned a drive letter or mount point, 
and managed by the operating system to provide structured, 
persistent storage for files and applications.


### Get-Volume


```powershell
Get-Volume

Get-Volume -DriveLetter C | Format-List

$CDrive = Get-Volume -DriveLetter C 

#To format Size Remaining output to GB
$CDrive.SizeRemaining/1GB
```

## Recycle Bin

The Windows **Recycle Bin** is a special system folder that temporarily stores 
deleted files and folders. 
It allows users to restore items if they were removed accidentally, 
acting as a safety mechanism before permanent deletion.

## Clear-RecycleBin

```powershell
Clear-RecycleBin

Clear-RecycleBin -Drive C -Force
```