So, if you change the hint to:

cat /dev/zero > /tmp/junk & rm /tmp/junk

then the file will magically disappear as soon as the drive fills up. This is slightly safer since it does not fail if RAM fills up to. For example, there are reasons why a rm call might not complete. In a ram-tight situation (if, say, the filesystem cache were to get rather large), then a fork might fail if there's no room on the swap device for more vm. JP

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Pell

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