© 2009 Wipro Ltd - Confidential

PowerShellReincarnation of

command prompt

Ankit Kashyapankit.kashyap@wipro.co

m

© 2009 Wipro Ltd - Confidential2 © 2009 Wipro Ltd - Confidential2

Before We BeginHow Many of you have seen the blockbuster “Karan-Arjun”?

How many of you believe in ‘Reincarnation’?

The Very basic difference between Unix and Windows…

TP 50TP 49

91% Market Share

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GUI Rocks, Command Line is hell!

OS Got GUI, Now time for Apps!Why GUI Rocks? Easy Navigation Simpler depiction of System data, files, folders No need to memorize lengthy commands and their

bunch of parameters No significant competency required, even a layman

can work on it.

So is it a panacea?

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GUI ≠ Panacea for allMy Bro IT Admin @ Wipro

Wanna Just GUI!!

“Mixed Approach”

MUSIC

SONGS

INTERNET

YouTube

Chatting

Twitter!!!

Scripts make Life

Easier!

GAMES

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Scripting

Not this ScriptPHP

Perl VBScript

TCL -TKAwk

ShellJScri

pt

JavaScript

Sid

Is VBScript OK? Its COM based but softwares are .NET

based No OOPS!! MS Stopped its further development – No

new releases!!We need a new language!!

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Need of the hour: PowerShellWorld needs a brand new scripting language:.NET based OOPS EnabledSimple to learn Complete language“Windows PowerShell is Exactly what we are looking for!”

• Already in-built in Windows 7 & Server

2K8 (its R2)

• Free download for XP, Vista and WS03

• PreReq for Downlevel OS: .NET 2.0 SP1

• Current Version: 2.0

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PowerShell: Basics for Dummies

PowerShell Completely Based on .NET

What it means??

Based on .NET framework You can use a major portion

of .NET framework in PS. Not limited to cmd, even you

can develop a GUI based program too!!

Backward compatible with old cmd

(Reincarnation??)

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PowerShell: Basics for Dummies

Don’t call Commands, Call them cmdlets

cmdlet

They are not .exe or .com based binaries, they

are .NET classes!!

They have unique naming convention

in verb-noun format! Easy to

remember

Set-date

Get-

Service

Get-ChildItemRemove-

item

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PowerShell: Basics for Dummies

Supports Pipelining

dir c: | find “.exe”

Support Remote Execution

Has a Good GUI-EditorPowerShell ISE

Support a command line based Intelli-sense just like

Visual Studio

All the main programming features like Array, files, loops ,

logic operator etc

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PowerShell: Is it just another Scripting language

Its different!!!

Just like traditional scripting languages, it does the basic scripting tasksSo is it just another Language??

Almost every latest version of server apps like Exchange server, SQL server, SharePoint have PS based management environment

Even 3rd party apps now a days are having their own PS cmdlets!!

It’s the future language for Server Admins & Power Users.

In the future, PowerShell become OmniPresent

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• Microsoft Learning portal http://

www.microsoft.com/learning/en/us/course.aspx?ID=50025a

• PowerShell Script Center

http://technet.microsoft.com/en-us/scriptcenter/

• PowerShell Community

http://www.powershell.com/cs/

More about PowerShell

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Queries

tweet me : @ankitwww

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ThanksClosing Line:PowerShell = emPOWERing the old cmd SHELL with the help of .NET for mainly Server Professionals