[TUHS] Origin of 'kill -9'?

Ralph Corderoy ralph at inputplus.co.uk
Wed Nov 15 06:07:51 AEST 2017


Hi Dan,

> Is the reason that SIGKILL has the numeric value 9

If you look at signals 1 to 8 they could all be caught, etc.
9 was added so to thwart this and just took the next number AFAIK.
Doesn't 9 have tie-ins to "death" in Japan?  ISTR some marketing
avoiding it in version numbers.

-- 
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy


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