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Re: lost data?

George N. White III wrote in message ...
>Some OS's (SGI Irix) have a checkpoint facility that works at the level of
>processes, and doesn't require support built in to the application.  I
>know there has been some work on checkpointing for linux, as the same
>capability is required to migrate a process to a new node in some
>distributed processing systems. I don't know if there is anything you can
>use with IDL, but it is certainly worth a look.

One question here, just for my understanding:
what kind of thing is checkpointing?