A basic question regarding grub display options

[Peter Hillier-Brook]

On 28/09/11 19:22, NoOp wrote:
> On 09/27/2011 11:32 PM, PM wrote:
>>> That does indeed work for me; all of my systems have the excutable bit
>>> removed. You can test for yourself; open a terminal and enter (without
>>> the '$' - that's the prompt):
>>>
>>> $ sudo chmod 644 /etc/grub.d/20_memtest86+
>>>
>>> Then reboot and you should no longer see it on the grub menu. To change
>>> it back should you need/want to in the future:
>>>
>>> $ sudo chmod 755 /etc/grub.d/20_memtest86+
>>>
>>
>> The main thing with this package 'memtest86+' is that it is available only
>> while getting booted and not otherwise! It is not possible to check the RAM
>> after getting logged in since the RAM could be in continuous usage!
>
> Well... yes. That's the purpose of the application.
> http://packages.ubuntu.com/natty/memtest86+

You seem to have overlooked the need to run update-grub to rebuild 
grub.cfg after changing the file permissions!

Peter HB