Overview
To help make it abundantly clear which central admin site someone is logged into, I wanted to change the top bar text to something other than “SharePoint”.  Turns out you can do that using the SuiteBarBrandingElement value on the Central Administration Web Application object  from PowerShell.
Code:

Add-PSSnapin microsoft.sharepoint.powershell
$ca = Get-SPWebApplication -IncludeCentralAdministration | `
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Blog Post by: Michael Gerety