PowerShell versions (5.1 vs 7+) - Quick Revision & Key Differences

Recall & Review

beginner

What is the main difference between PowerShell 5.1 and PowerShell 7+?

PowerShell 5.1 is Windows-only and built on .NET Framework, while PowerShell 7+ is cross-platform and built on .NET Core (now .NET 5+), allowing it to run on Windows, Linux, and macOS.

beginner

Which PowerShell version supports running on Linux and macOS?

PowerShell 7+ supports running on Linux and macOS, unlike PowerShell 5.1 which only runs on Windows.

intermediate

How does PowerShell 7+ improve performance compared to 5.1?

PowerShell 7+ uses the newer .NET Core runtime (now .NET 5+) which is faster and more efficient than the .NET Framework used in 5.1, leading to better performance.

intermediate

Can PowerShell 7+ run existing scripts made for PowerShell 5.1 without changes?

Most scripts run fine, but some Windows-specific modules or commands may need adjustments because PowerShell 7+ is cross-platform and some Windows-only features are not available.

beginner

Why might someone still use PowerShell 5.1 instead of 7+?

Because PowerShell 5.1 is built into Windows and supports some legacy Windows modules that are not yet fully compatible with PowerShell 7+.

Which PowerShell version is built on .NET Core?

A PowerShell 7+

B PowerShell 5.1

C PowerShell 4.0

D PowerShell 3.0

PowerShell 7+ uses .NET Core (now .NET 5+), enabling cross-platform support.

Which PowerShell version is included by default in Windows 10?

A PowerShell 5.1

B PowerShell 6

C PowerShell 4.0

D PowerShell 7+

Windows 10 comes with PowerShell 5.1 pre-installed.

What is a key benefit of PowerShell 7+ over 5.1?

A Runs only on Windows

B Supports cross-platform use

C Uses older .NET Framework

D No support for modules

PowerShell 7+ runs on Windows, Linux, and macOS.

If a script uses Windows-only features, what might happen when running it on PowerShell 7+ on Linux?

A It will convert automatically

B It will run perfectly

C It will run faster

D It may fail or need changes

Windows-only features may not work on non-Windows platforms with PowerShell 7+.

Why is PowerShell 5.1 still used despite PowerShell 7+ availability?

A It is cross-platform

B It is faster than 7+

C It supports legacy Windows modules

D It is open source

PowerShell 5.1 supports some older Windows modules not fully compatible with 7+.

Explain the main differences between PowerShell 5.1 and PowerShell 7+.

Think about platform support, runtime, and script compatibility.

Describe why someone might choose to keep using PowerShell 5.1 instead of upgrading to 7+.

Consider legacy support and default Windows installation.