Solaris 10 is usefull if you have hudge hardware and do server virtualisation. If you don't use these features it will turn to be expensive. I'd go for RedHat.

In reply to Re: Solaris 10, FreeBSD or RHE Linux for production server Perl box? by secret
in thread Solaris 10, FreeBSD or RHE Linux for production server Perl box? by Anonymous Monk

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