Comparison operators (-eq, -ne, -gt, -lt) in PowerShell - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the PowerShell operator -eq do?

The -eq operator checks if two values are equal. It returns True if they are the same, otherwise False.

beginner

Explain the use of -ne in PowerShell.

The -ne operator means 'not equal'. It returns True if two values are different, and False if they are the same.

beginner

What is the difference between -gt and -lt in PowerShell?

-gt means 'greater than' and checks if the left value is bigger than the right. -lt means 'less than' and checks if the left value is smaller than the right.

beginner

How would you check if a variable $x is greater than 10 in PowerShell?

Use the operator -gt: $x -gt 10. This returns True if $x is more than 10.

beginner

What will 5 -lt 3 return in PowerShell and why?

It returns False because 5 is not less than 3.

Which operator checks if two values are NOT equal in PowerShell?

A -eq

B -gt

C -ne

D -lt

The -ne operator means 'not equal' and returns True if values differ.

What does 7 -gt 5 return?

A Null

B True

C Error

D False

-gt means 'greater than'. 7 is greater than 5, so it returns True.

If $a = 4 and $b = 4, what does $a -eq $b return?

A True

B False

C Null

D Error

Since both values are equal, -eq returns True.

Which operator would you use to check if a number is less than another?

A -ne

B -gt

C -eq

D -lt

-lt means 'less than' and checks if left value is smaller.

What does 10 -ne 10 return?

A False

B True

C Error

D Null

Since both values are equal, -ne returns False.

Describe how to use PowerShell comparison operators to compare two numbers.

Think about how you compare numbers in daily life: equal, not equal, bigger, smaller.

Give an example of a PowerShell command using -gt and explain what it does.

Imagine checking if your age is greater than 18.