Update

Notes.md

@@ -13,6 +13,14 @@ $x="Text"
 $arry = @("a", "b", "c")
 ```
 
+### Hash Array
+
+[MS documentation](https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_hash_tables?view=powershell-7.2)
+
+```
+$X=@{ <name> = <value>; [<name> = <value> ] ...}
+```
+
 ## User Interaction
 
 ### Output
@@ -64,6 +72,14 @@ Write-Host $text | Out-File $path
 
 ## Operators
 
+### Check if last command executed correctly
+
+```ps
+# Do something
+echo $?
+```
+
+
 ### Looping
 
 #### For
@@ -76,8 +92,13 @@ Write-Host $text | Out-File $path
 Enter-PSSession –ComputerName $hostname [-Credential username]
 ```
 > If username gets left behind, the current user will be used
+### Send command remotely
 
 
+```ps
+Invoke-Command -ComputerName hostname1, hostname2 -ScroptBlock {$COMMAND}
+```
+
 
 # Hypver-V specific 
 
@@ -85,7 +106,10 @@ Enter-PSSession –ComputerName $hostname [-Credential username]
 [//]: # (https://adamtheautomator.com/hyper-v-powershell/)
 
 ### Create new host
+
+```ps
 New-VM -Name "HYPER" -MemoryStartupBytes 512MB
+```
 
 ### List current VM
 Get-VM