What does the following apt-get response mean?

[Jim Byrnes]

David Curtis wrote:
> On Thu, Dec 2, 2010 at 12:28 PM, Jim Byrnes<jf_byrnes at comcast.net>  wrote:
>
>> Cybe R. Wizard wrote:
>>> On Thu, 2 Dec 2010 09:24:18 +0000
>>> Colin Law<clanlaw at googlemail.com>   wrote:
>>>
>>>> On 2 December 2010 00:03, Robert Holtzman<holtzm at cox.net>   wrote:
>>>>> On Wed, Dec 01, 2010 at 11:10:31AM +0200, Matthias Andersson wrote:
>>>>>
>>>>>                ..........snip...........
>>>>>
>>>>>>
>>>>>> In synaptic you need to check for that those packages aren't
>>>>>> locked to a specific version, you should see if this is the case
>>>>>> by pressing "status" in the lower left corner and then selecting
>>>>>> "pinned" in the left window.
>>>>>
>>>>> On my system (10.04.1) the status button does not show a pinned
>>>>> choice. Can this be because I don't have any pinned apps?
>>>>
>>>> You could try temporarily pinning one and see.
>>>>
>>>> Colin
>>>>
>>> Pinned apps never showed up in synaptic for me until I pinned one.  I'd
>>> guess that behavior to be standard.
>>>
>>> Cybe R. Wizard
>>
>> In the context of this thread what does "pinned" mean?  I googled but
>> never found an explanation.
>>
>
> Google 'apt-pinning', there's a beginner's guide and an Ubuntu how-to in the
> first number of hits. Basically, it means to hold back or 'pin' packages
> from being upgraded if upgrading those packages is undesirable.
>
>

OK, thanks.

Regards,  Jim