[Solved] What will be the output of this PowerShell command?2..4 | ForEach-Object { "Index: $_" } — Ans: Index: 2 Index: 3 Index: 4 | PowerShell

PowerShell - Variables and Data Types

What will be the output of this PowerShell command?

2..4 | ForEach-Object { "Index: $_" }

AIndex: 1 Index: 2 Index: 3

BIndex: 2 Index: 3 Index: 4

CIndex: $_ Index: $_ Index: $_

D2..4

Step-by-Step Solution

Solution:

Step 1: Understand the range operator
The expression 2..4 generates the sequence 2, 3, 4.
Step 2: Role of $_ in ForEach-Object
Inside the script block, $_ represents the current number from the pipeline.
Step 3: Output construction
Each iteration outputs a string "Index: " followed by the current number.
Final Answer:
Index: 2 Index: 3 Index: 4 -> Option B
Quick Check:
Range 2 to 4 piped, $_ outputs each number [OK]

Quick Trick: Range operator outputs sequence; $_ is current item [OK]

Common Mistakes:

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