PowerShell on Linux

WMLUG January 2017

PowerShell on Linux

Patrick TenHoopen

PowerShell on Linux

On August 18, 2016, Microsoft announced that it

would make PowerShell open source and release

it for Linux and Mac OS using one code base

under the MIT license. It is still in an alpha stage

though.

Why Run PowerShell on Linux?

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Language is easily readable and is selfdocumenting

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Optimized for structured data

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Good at "gluing" systems together

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Provides an interactive shell as well as being

scriptable

Comparing PowerShell to Bash

Command Input/Output Piping

Bash uses text while PowerShell uses objects (does require that you know

the object methods and properties). PowerShell doesn¡¯t support input

redirection.

Available Commands

Bash has ~150 built-in commands and helper functions (less to learn)

compared to PowerShell's 300+ (on Windows) methods and cmdlets.

Windows System Integration

PowerShell has many cmdlets written for administering Microsoft products

while bash has none.

Integrated Scripting Environment (ISE)

PowerShell on Windows provides an integrated scripting environment.

PowerShell's Use of Objects

The output of a PowerShell command is an

object.

The object can be passed to the next command

(object pipeline) for input.

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