title: PowerShell: What kind of keyword ist env: ? Meaning of such a keyword?
body: <p>For to display all environmental variables in PowerShell one uses:</p>
  <p><code> Get-ChildItem env:</code></p>
  <p><strong>What is 'env:'?</strong></p>
  <p>It clear to me that it is some abbreviation for &quot;environment&quot;. But what kind of abbreviation? What's the meaning of the colon at the end?</p>