karl wrote:

> Chris Muller wrote:
>
>>> Do people pause / resume there work in Smalltalk loading the .pr
>>> files or the .image files or the .st files (it does seem that the .st
>>> files only contain one small source listing)....
>>>   
>>
>>
>> I think most Smalltalkers generally work in the same image 
>> ("workspace") for at
>> least a few days or weeks (maybe months or years), saving and 
>> resuming exactly
>> where they left off.
>>
>> At some point, you may want to get a "fresh" image or an image based 
>> on the
>> next version of Squeak (i.e., 3.9 instead of 3.8).  The easiest way 
>> to do this
>> is to "export" your projects (.pr) and code (.st or .mcz) so they can be
>> "imported" into your new image.
>>
>> I think of images are more "personal" and therefore, import/export 
>> also becomes
>> essential to share code and objects..
>>  
>>
> Remember you can also save and file in the preferences so you can 
> continue working with the system set up like you want it.
> karl
>

This has, in my experience, been very unreliable. I can save, ok, but to 
restore it, when in a different image, squeak is guaranteed to complain.

chrisp