Yeah, I played with ibcs a while back, never had much use for it though
as I didn't have any commercial UNIX software.
Interesting that SCO OpenUnix can run linux binaries faster than linux
(says something about linux here). Also interesting that linux's
networking is faster than SCO (says something different about linux).
Also remember that IBM has an option to run linux on some of it's z
series mainframes. Apparently Linux can handle the smaller of the big
iron fairly effectively if you feed it to the OS in smaller bites.
Hopefully it will only be a matter of time until the scalabilty of linux
is improved. One thing holding it back in the past was that your
average OSS hacker doesn't have access to anything even close to "big
iron" like an IBM z series to test stuff on, and consequentially linux's
performance tended to not get much better (and indeed sometimes get
slower as I recall from an article posted on /.) past 4-8 processors.
Fortunately, now IBM is supporting Linux in cooperation with linux
vendors so hopefully IBM will contribute some patches to make linux run
better on big iron hardware (since of course IBM has access to IBM
hardware :)
--MonMotha
Warren Togami wrote:
On Thu, 2002-05-23 at 17:20, MonMotha wrote:
Yes, but SCO != Linux :)
Because SCO was/is a x86 Unix, most SCO binaries run with little or no
modification on Linux when you have the right libraries and Unix
compatibility kernel modules installed. Scott can post more about this.
SCO has since been bought by Caldera. The latest version of SCO was
renamed Caldera OpenUnix for higher end servers, while Caldera OpenLinux
is for lower end servers and workstations. They made significant
improvements to the SCO system allowing it to run Linux binaries
natively. They are now marketing OpenUnix is a drop-in replacement
upgrade for when you need to scale your system higher than what
OpenLinux allows.
A few months ago I read a review of OpenUnix running normal Linux
software like StarOffice. The reviewer said that Linux compiled
binaries ran noticeably faster on OpenUnix than Linux itself, although
networking stuff seemed slower because the TCP/IP layer of SCO's kernel
was less efficient than Linux.
Kinda interesting how Caldera has their own dual Unix/Linux solution to
have options for higher and lower end customers. This essentially
mirrors Sun's Solaris for high end and Linux for low end market stance,
and IBM's mainframe AIX for high end, and Intel based Linux for low
end. Caldera however doesn't have the premium prices of proprietary
hardware that Sun and IBM have, so they seem to be in severe financial
trouble compared to those competitors.
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