Concept Of Powershell

What is PowerShell?

PowerShell is a new command shell and scripting language for Windows. It is cool for a lot of reasons: The language is sane, especially when compared to CMD. Scripts and command line share a language.

Why PowerShell:

1. PowerShell is both a command-line shell and scripting language.
2. PowerShell can interact with a dizzying number of technologies.
3. PowerShell is object-based.
4. PowerShell can help anyone working in the Microsoft ecosystem
5. Microsoft is putting its full weight behind PowerShell.

How we Use PowerShell?

PS1 file
PS1 files are a bunch of PowerShell command in which a command appears in different line. It is a simple text file in which extension must be .ps

Execution permissions

As we know it is a series of command so, it must be have some permission and execution policy to prevent wrong commands. Also you can set policy as per user request. There are four types of policies namely Restricted, RemoteSigned, AllSigned, Unrestricted.

Running a script

To run the shell script you can go to the PS1 file path and type name of PS1 file and press tab key to Execute.

Pipelining

Pipelining means output of one command use as input to next command.

Variables

Store the output of command we need a variable so we can declared variable also. To declared variable use '$' Sign.

The @ symbol

'@' symbol is use for convert contains of list into an array. This is useful for storing multiple values.

Split

Split is used for splitting a string. Suppose we need to store a string into an array in that case we use split function.

About Author:
Vishal Kudale  is enthusiast .net developer who works as associate consultant with Systems Plus Pvt. Ltd. He in free time reads and write on various web technologies. He can be contacted at: vishal.kudale@spluspl.com