Common reserved variables

Refer to the following table:

Errors	`$Error`	$Error[0] # The last error
Formats the enumeration limit. Dictates the number of elements displayed for objects with properties based on arrays. The default is `4`.	`$FormatEnumerationLimit`	$object = [PSCustomObject]@{ Array = @(1, 2, 3, 4, 5) } $object # Shows 1, 2, 3, and 4 $formatenumerationlimit = 1 $object # Shows 1
Holds data of the current PowerShell host.	`$Host`	$host $host.UI.RawUI.WindowTitle
The matches found when using the `-match` operator.	`$Matches`	*‘text’ –match ‘.’ $matches**
The output field separator. The default is a single space. Dictates how arrays are joined when included in an expandable string.	`$OFS`	$arr = 1, 2, 3, 4 “Joined based on OFS: $arr” $ofs = ‘, ‘ “Joined based on OFS: $arr”
Current PowerShell process ID.	`$PID`	Get-Process –Id $PID
Holds the path to each of the `profile` files.	`$PROFILE`	$profile.AllUsersAllHosts $profile.AllUsersCurrentHost $profile.CurrentUserAllHosts $profile.CurrentUserCurrentHost
PowerShell version information.	`$PSVersionTable`	$PSVersionTable.PSVersion
Present working directory.	`$PWD`	$PWD.Path

Table of Contents for Common reserved variables