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SubjectRe: behavior of overwriting running executables?

On Wed, 15 May 1996, Marty Leisner wrote:

> If I write to a running program, I get "text file busy".
> I think sunos seamlessly moves the executable to an unnamed inode, leaving a reference to
> it while its running, then transparently does an unlink when its done.


SGI's Irix allows the program to be overwritten, but causes the running
program to core-dump !


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