PowerShell - Change permissions and owner of all the files and directories in the current folder.

changePerm.ps1

# Don't forget to ser $usernameFull to the name off account in this format : DOMAIN\username
$rule = new-object System.Security.AccessControl.FileSystemAccessRule($usernameFull, 'FullControl', 'Allow');
$owner = new-object System.Security.Principal.NTAccount($usernameFull)
foreach($file in $(Get-ChildItem ./ -recurse)){
	$acl=get-acl $file.FullName
	$acl.SetAccessRule($rule)
	$acl.SetOwner($owner)
	set-acl $file.FullName $acl
}