Bill Stewart


Bill Stewart is a scripting guru who works with the Enterprise Technology Services group at Indian Health Service in Albuquerque, New Mexico. He has written numerous articles about Windows scripting and is a moderator for Microsoft's Official Scripting Guys Forum. He has also written some useful free tools for the Windows IT community, which are available from his website at

Batch to PowerShell - Syntax Differences
In my last article, I made the argument that you should stop writing batch files (Cmd.exe shell scripts) and instead focus your efforts on learning PowerShell. In this article, I’ll describe the special characters that Cmd.exe uses and how a number of these characters work differently in PowerShell.
Break Your Batch Habit and Move to PowerShell 10
Windows PowerShell should rightly be seen as a replacement for batch file scripting (Cmd.exe shell scripting), but for some reason, many people seem to be unwilling to leave batch behind. This article begins a series that’s designed to help you break the batch habit and move forward with PowerShell.
Take Charge of Environment Variables in PowerShell
Windows PowerShell has some limitations when it comes to working with environment variables. Here are three functions you can use to overcome these limitations.
Securely resetting the Administrator account password for a computer
Resetting the Local Administrator Password on Computers 18
Resetting an Administrator account password with a Group Policy Object isn't secure. Here's how to securely reset the Administrator account password.
Enforcing Administrators group membership
Enforcing the Membership of the Administrators Group
Here's a solution for managing the members of the Administrators group on computers when you don't have an Active Directory domain or you can't use Group Policy.
Pointing out common pitfalls when running executables in PowerShell
Running Executables in PowerShell 2
Correctly constructing an executable's command line in PowerShell can be confusing. The guidelines presented here can help you avoid common pitfalls.
brass parts of a steam engine
Windows PowerShell Operators
A good understanding of Windows PowerShell's operators is a must if you want to increase your understanding of PowerShell and the efficiency of your code.
highway overpasses tinted blue
Windows PowerShell Constructs
PowerShell provides a number of language constructs that let you control the flow of your script as well as make decisions about what it should do.
bright ball of light with Active Directory object names flowing away from it
View or Remove Active Directory Delegated Permissions 1
Microsoft provides tools to remove delegated permissions, but they have some limitations. Here's a Windows PowerShell script that not only overcomes these limitations but also provides an easy-to-read list of which users or groups have delegated permissions.
White lined paper with blue inked CREATE drawn across it
Creating Custom Objects in Windows PowerShell 2
One of Windows PowerShell's most useful features is the ability to create your own custom objects on demand containing the properties you need.
sign post with many different directions, sunset in background
Use PowerShell to Handle Active Directory Paths 1
Add the Get-ADPathname.ps1 script to your toolbox and stop writing unnecessary code to parse Active Directory paths.
Blue Shell
PowerShell Basics: Arrays and Hash Tables
Arrays and hash tables are two basic data structures that you need to understand in order to work effectively in Windows PowerShell.
Importing and Exporting CSV and XML Files in PowerShell 1
Windows PowerShell provides some exceptionally powerful and easy-to-use cmdlets to help you import and export CSV and XML files, virtually eliminating the need for manual parsing.
PowerShell Basics: Variables
Understanding PowerShell variables is important because variables are such an integral part of how PowerShell works.
PowerShell tab
Expanding Tabs to Spaces in PowerShell
Although the program in Windows can expand tabs to spaces, here's a native PowerShell function that performs this task so you can take better advantage of PowerShell's pipeline.
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