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Asked: 2026-05-12T19:34:10+00:00

I would like to do the equivalent of chmod -w+r-x foo or attrib +R

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I would like to do the equivalent of chmod -w+r-x foo or attrib +R foo in Windows Powershell. Putzing around, I notice a fairly gnarly Set-Acl function that looks significantly fancier than what I need.

How do I do attrib +R foo in Windows Powershell?

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  1. Editorial Team

    The PowerShell Community Extensions comes with Set-Writable (aliased to swr) and Set-ReadOnly (aliased to sro). I use them both frequently. Removing execute privileges does require a change to the ACLs however using Get-Acl/Set-Acl is painful. I would use icacls.exe.

    BTW if you don’t want to mess with any 3rd party stuff, setting readonly to true/false is pretty easy:

    Set-ItemProperty foo.txt IsReadOnly $true # or $false
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