1. Structured data passed along pipelines. 2. Automatic introspection/command completion for command parameters, even user-created commands. You can argue abo

1. Structured data passed along pipelines. 2. Automatic introspection/command completion for command parameters, even user-created commands. You can argue about a lot of other things Powershell does, but these 2 things are things which if Bash were designed today by 100 top notch software developers, would probably be part of 95 of their designs.