This post shows how you can move files from one folder to another based on last modified time using PowerShell.
This post explains how to change the text in files kept at a path using PowerShell.
This post explains how to enable or disable Windows Service or Scheduled tasks with PowerShell.
This post describes a troubleshooting scenario with the good old dir and copy commands and how to use them.
This post shows how you can show System Tray notification using PowerShell.