If your script exits properly every time, it should release all of the memory it has used during runtime. If it is 'holding on' to the RAM as you say, there are a few possibilities:

• Your administrator is mistaken or there is some confusion between you and him
• Your script is not, in fact, exiting (perhaps you are creating zombie processes)
• There is a bug in the Operating System you are using (very unlikely)

I would put my money on either of the first two points. Check whether your script is still running when you think it should not be, otherwise, your administrator is probably wrong.

For some background information on memory managment in general, see this recent thread.

CU
Robartes-

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