What is powershell.
Powershell is an Windows powerful command line tool that used to execute scrpts and program code to automate the repeatative tasks.
By default powershell is installed from windowns7.x version onwards. It is interactive command line tool that inputs a command and send the result to the terminal.
Commands in powershell called cmdlet tha performs actions.
cmdlets are verbal names that contains meaning ful names, example are Get-Location
You can also write a scrips that contains cmdlets and code blocks that saved in a file with extension .ps1.
Scripts contains multiple cmdlets and code blocks, that executes in sequential order
Features
- Interactive command line: Provides a command line interface that executes commands, and displays the results.
- Cmdlets: Predefined commands written C# language, that performs actions
- Functions: Reusable code executio and provides maitenance
- Cmdlet help: you can get documentation of comlet using help commands
- Comments: Comments are human readabile text,that ignored by powershell interpreter
- Variables: Store the value in a variable, reused across multiple places
- Datastructure: Provides different dstastructures such as arrays and dictionaries
- Conditional Executio: Provides if else, switch conditional statements to executes commands based on condition.
- Loops: Provides iteration with different loop syntaxes.
Latest version of Powershell
Latest powershell version is 7.x that supports windows 10 and 11 version.
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