a command "spool", ie queueing commands?

[urgrue <urgrue@xxxxxxxxx>]

i realized it would be useful to be able to add commands into a command  
queue, from where they would get executed in sequence. for example  
numerous large hard disk-intensive operations would be better executed  
in sequence rather than at once.
in other words, exactly like a printer spool, but for commands. you  
could add commands in, list the queue, and remove from the queue.

does anyone know of something like this?


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