PowerShell Interview Questions and Answers

Ques 1. What is PowerShell?

PowerShell is a task automation framework from Microsoft, consisting of a command-line shell and associated scripting language.

Example:

Get-Process

Ques 2. Explain the 'Get-Help' cmdlet in PowerShell.

Get-Help is used to retrieve information about PowerShell commands and topics.

Example:

Get-Help Get-Process

Ques 3. What is the purpose of the 'Get-Command' cmdlet?

Get-Command is used to get all commands available in PowerShell.

Example:

Get-Command

Ques 4. What is the purpose of the 'Get-Service' cmdlet?

Get-Service retrieves the status of services on a local or remote computer.

Ques 5. What is the purpose of the 'Write-Output' cmdlet?

Write-Output sends the specified object down the pipeline.

Example:

Write-Output 'Hello, World!'

Ques 6. How do you check if a file exists in PowerShell?

Use the 'Test-Path' cmdlet to check the existence of a file or directory.

Ques 7. What is the purpose of the 'Format-Table' cmdlet?

Format-Table is used to format the output of a command as a table.