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Bijay

@PowerShellFAQs

We're the #PowerShell FAQ community for devs & admins. We create guides & answer tough PowerShell questions. Follow us for expert solutions.

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Joined September 2025
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PowerShell: Where-Object vs Select-Object powershellfaqs.com/powershel… #powershell
Where-Object vs Select-Object in PowerShell (Tested)

Where-Object vs Select-Object in PowerShell (Tested)

Where-Object vs Select-Object in PowerShell: filter rows vs pick properties, what each returns, chaining order, -First and -Unique, tested in 7 and 5.1.

powershellfaqs.com
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How to Set Service to Automatic Using PowerShell? powershellfaqs.com/set-servi… #powershell
Set a Service to Automatic Using PowerShell

Set a Service to Automatic Using PowerShell

Set a service to Automatic using PowerShell with Set-Service, plus delayed start, multiple services, remote servers and the access denied fix in 7 and 5.1.

powershellfaqs.com
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How to Get a Substring in PowerShell (Start, End, Before and After) powershellfaqs.com/substring… #powershell
Substring in PowerShell: From Start, End and Between Text

Substring in PowerShell: From Start, End and Between Text

Get a substring in PowerShell with Substring(), take characters from the end, get text before, after or between characters, and avoid range errors.

powershellfaqs.com
How to Get File Details and File Version in PowerShell powershellfaqs.com/get-detai… #powershell
Get File Details and File Version in PowerShell

Get File Details and File Version in PowerShell

Get a file's size, dates, attributes, hash and version in PowerShell with Get-Item, VersionInfo and Get-FileHash, with tested examples for 7 and 5.1.

powershellfaqs.com
How to Clear an Array in PowerShell? powershellfaqs.com/clear-an-… #powershell
Clear an Array in PowerShell: @(), Clear() and ArrayList

Clear an Array in PowerShell: @(), Clear() and ArrayList

Clear an array in PowerShell with @(), Clear(), ArrayList, [array]::Clear or Clear-Variable, with tested PowerShell 7 vs 5.1 differences and traps.

powershellfaqs.com
How to Get Array Length in PowerShell? powershellfaqs.com/how-to-ge… #powershell
PowerShell Array Length: Count, Length and Measure-Object

PowerShell Array Length: Count, Length and Measure-Object

Get the PowerShell array length with .Count or .Length, fix single-result and $null counts with @(), and see where 7 and 5.1 differ.

powershellfaqs.com
How to Generate Random Numbers in PowerShell? powershellfaqs.com/generate-… #powershell
Generate Random Numbers in PowerShell: Get-Random Guide

Generate Random Numbers in PowerShell: Get-Random Guide

Generate random numbers in PowerShell with Get-Random: ranges, decimals, -Count, seeds, 6-digit codes, System.Random and secure numbers in 7 and 5.1.

powershellfaqs.com
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How to Create and Use Functions in PowerShell powershellfaqs.com/functions… #powershell
PowerShell Function Parameters and Functions (param Block)

PowerShell Function Parameters and Functions (param Block)

PowerShell function parameters in a param block: defaults, Mandatory, validation, switches, splatting, pipeline input, plus return values and scope.

powershellfaqs.com
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PowerShell Cannot Index into a Null Array – How to Fix powershellfaqs.com/powershel… #powershell
Cannot Index into a Null Array in PowerShell: How to Fix

Cannot Index into a Null Array in PowerShell: How to Fix

Fix the PowerShell "Cannot index into a null array" error: find why the variable is $null, then use a Count check, @(), ?? or try/catch in 7 and 5.1.

powershellfaqs.com
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How to Set a Proxy in PowerShell (7 and 5.1) powershellfaqs.com/set-proxy… #powershell
Set a Proxy in PowerShell: -Proxy, HTTPS_PROXY, WebProxy

Set a Proxy in PowerShell: -Proxy, HTTPS_PROXY, WebProxy

Set a proxy in PowerShell for one request with -Proxy, for a session with HTTPS_PROXY or DefaultWebProxy, bypass internal sites and set the WinHTTP proxy.

powershellfaqs.com
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How to Check if an Array is Empty in PowerShell? powershellfaqs.com/check-if-… #powershell
How to Check if an Array Is Empty in PowerShell

How to Check if an Array Is Empty in PowerShell

Check if an array is empty in PowerShell with .Count -eq 0, plus $null vs empty arrays, Boolean traps, @() wrapping and 7 vs 5.1 differences.

powershellfaqs.com
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PowerShell ForEach Loop (With Examples) powershellfaqs.com/powershel… #powershell
PowerShell ForEach Loop: 1..10 Ranges, Examples and Traps

PowerShell ForEach Loop: 1..10 Ranges, Examples and Traps

Learn the PowerShell foreach loop: arrays, 1..10 and reverse ranges, 'a'..'z' letter ranges in 7 vs 5.1, files, hashtables, break and continue.

powershellfaqs.com
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PowerShell Where-Object Between Two Dates powershellfaqs.com/powershel… #powershell
PowerShell Where-Object Between Two Dates

PowerShell Where-Object Between Two Dates

Filter objects between two dates with PowerShell Where-Object: -ge and -lt, the end-of-day trap, files, last 7 days, CSV/JSON string dates and event logs.

powershellfaqs.com
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PowerShell For Loop (With Examples) powershellfaqs.com/powershel… #powershell
PowerShell For Loop: Syntax and Examples (1 to 10, Arrays)

PowerShell For Loop: Syntax and Examples (1 to 10, Arrays)

Learn the PowerShell for loop: syntax, 1 to 10, step and reverse loops, arrays by index, two counters, break and continue, and for vs foreach speed.

powershellfaqs.com
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How to Get or Set the Default Browser Using PowerShell powershellfaqs.com/set-defau… #powershell
Set the Default Browser with PowerShell (Windows 10 and 11)

Set the Default Browser with PowerShell (Windows 10 and 11)

Check and set the default browser with PowerShell the way Microsoft supports: why UserChoice edits fail, DISM associations XML and Group Policy.

powershellfaqs.com
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How to Check if an Array Contains a Value in PowerShell powershellfaqs.com/array-con… #powershell
PowerShell Array Contains: Check if a Value Is in an Array

PowerShell Array Contains: Check if a Value Is in an Array

Check if a PowerShell array contains a value with -contains and -in: case-sensitive checks, part of a string, all or any values, the index and first match.

powershellfaqs.com
4
How to Compare Two Arrays in PowerShell (Matches and Differences) powershellfaqs.com/compare-t… #powershell
Compare Two Arrays in PowerShell: Matches, Missing, Equal

Compare Two Arrays in PowerShell: Matches, Missing, Equal

Compare two arrays in PowerShell with Compare-Object to find matches, missing items and differences, check if arrays are equal, and compare objects.

powershellfaqs.com
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How to Track User Login History on Windows Using PowerShell powershellfaqs.com/track-use… #powershell
Track User Login History on Windows Using PowerShell

Track User Login History on Windows Using PowerShell

Track user login history in PowerShell with event ID 4624, find failed logins (4625), read logon types and see history without admin rights.

powershellfaqs.com
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How to Convert a String to a Hashtable in PowerShell (and Back) powershellfaqs.com/convert-s… #powershell
Convert a String to a Hashtable in PowerShell (and Back)

Convert a String to a Hashtable in PowerShell (and Back)

Convert a string to a hashtable in PowerShell with ConvertFrom-StringData or JSON, fix backslash errors, and convert a hashtable back to a string.

powershellfaqs.com
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How to Check If a File or Folder Is Empty in PowerShell powershellfaqs.com/check-if-… #powershell
PowerShell: Check If a File or Folder Is Empty

PowerShell: Check If a File or Folder Is Empty

Check if a file is empty in PowerShell by size or by text, check if a folder is empty with hidden files included, and find empty files and folders.

powershellfaqs.com
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