You will inevitably make mistakes when writing Darwin programs. For the most part, the error will quickly reveal itself and inserting the forgotten semicolon or od command will resolve the standstill. However, there are those unforgettable moments where you will, with a religious fervor, believe you are correct and the misunderstanding due to a deep Darwin bug. This may be the case and, if so, you should immediately send electronic mail to the COMPUTATIONAL BIOCHEMISTRY RESEARCH GROUP at ETH-Zürich so we may examine the situation.
While waiting for the new release, you may want to try some of the following commands to help find these ``subtle system errors''.