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    SubjectRe: How to create a fixed length character/block device/file ?
    Khai Doan wrote:
    > Sorry if this is the wrong list. I've search google, but have not found
    > solution to my problem.
    >
    > I have a long running application which split out lots of debugging
    > information. I can't redirect the output to a regular file because that
    > file would grow and eat up all the diskspace. I can't redirect to
    > /dev/null. What I want is the last 1MB of the output before my
    > application terminated. So I need to create a special file / device on
    > the system. Please tell me if there is an existing device that I can
    > use, or point me in the right direction so that I can role my own device.

    myapp | tail -c1048576 > logfile

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