Chapter 3. Using the PowerShell help system

This chapter covers

  • Defining PowerShell help commands
  • Updating help
  • Using help
  • Working with common parameters

One of the difficulties associated with command-line interfaces is their inherent lack of discoverability. You won’t find any tooltips, toolbars, context menus, or menus—none of the elements that a graphical user interface (GUI) offers to help you figure out what you can do and how to do it. PowerShell attempts to make up for this shortcoming with an effective and comprehensive help system. We firmly believe that becoming proficient at using the help system is a critical factor in anyone’s ability to succeed at PowerShell. “Be prepared to read the help,” Don says, “or you’ll fail at ...

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