PowerShell: True, False (boolean)

By Xah Lee. Date: 2021-05-26. Last updated: 2025-04-02.

True and False Representation

PowerShell $true $false

$true or $false are values in PowerShell to represent true and false.
They are Automatic Variables.

Dotnet True False

PowerShell is hosted in dotnet.
In dotnet, boolean values are represented by True and False. These are not valid in PowerShell, but PowerShell may print result using them.

What Values Are True or False

True Values
Value	Value in Boolean Context
`$true`	$true
Nonzero number	$true
Nonempty String	$true
Nonempty Array	$true
Hashtable (empty or not)	$true

False Values
Value	Value in Boolean Context
`$false`	$false
`$null`	$false
Zero	$false
Empty String	$false
Empty Array	$false

Force to Boolean (Casting)

$x = 3
[bool] $x
# True

$x = ""
[bool] $x
# False

PowerShell. Boolean Related