A basic question regarding grub display options

[NoOp]

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+