Windows Classroom Series – 29/Sept/2020

Powershell Aliases

• Navigate to the Powershell & Execute the following commands

Get-Alias
Get-Alias dir

• To Create a New Alias

Get-Command -Noun Alias
Get-Help New-Alias -Online
Get-Help about_Aliases

Understanding Parameters in Powershell?

• If we look into help of some cmd-lets, as shown below how to read them
• Parameter Types:
  • Optional Parameters:
    • In help docs they are surronded by square brackets

    Get-Process
    Get-Process -Name notepad
    

  • Optional Positional Parameters:
    • Positional Parameters can be passed without referring the parameter with name
    • Eg:

    Get-Process -Name 'notepad'
    Get-Process 'notepad'
    

    • Positional parameters can be optional. Which is represented in red color below
  • Mandatory Parameters:
    • This are the Parameters which you need to suppy
    • Execute Get-Help Copy-Item
  • Switch Parameter: The presence of switch parameter makes a difference
    • Example: Get-ChildItem, Get-ChildItem -Recurse
  • Common Parameters:
    • Example
    • Execute the command Get-Help about_CommonParameters
  • Parameter Values:
    • We see the parameters such as

    <string> => string
    <string []> => a list of strings
    

Next Topics

• Confirm Paramters
• Providers
• Splatting
• Modules & Snap-ins
• Powershell Gallery