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Operating Systems for SPARC servers

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Operating Systems & Kernels which once ran on SPARC
In the late 1990s nearly 20 companies were listed here in our SPARC OS directory. There was even talk of IBM's AIX being ported to SPARC.

Most of that real (and vaporware) support ended by 2000 due to a combination of market factors.

But recently Sun's UltraSPARC T2 performance, open licensing and competitive footprint have resurrected hopes for significant growth in SPARC market share.

The storage market is a much bigger and faster growing market than SPARC and it has taken up most of my attention since 1998.

I know from my discussions with various readers that they have sometimes been surprised by how much more support there once was for SPARC (at its peak) compared to the situation now.

That's both a warning (markets can shrink) and also a signal of how much more it could grow again - if the products and competitive situation were right.

For now - instead of updating this page - I'm just leaving it as part of the historical record. But if the SPARC market grows again to be bigger than its peak of over 70 SPARC server oems and 10 SPARC chipmakers - I'll pick up the editing task again - or pass it along to someone else.
See also:-

Surviving the Solaris x86 Wars
the 2005 Market Report on Sun Compatible OEMs
Joining the Marketing Dots for OpenSPARC OEMs

These operating systems, below, have at one time or another supported SPARC. Market conditions change - so check with the vendors' own web sites for current details.

ChorusOS - from Sun Microsystems
Embedix from Lineo
GNU/Linux from Ubuntu
INTEGRITY - from Green Hills Software

See also:- Linux directory
LynxOS - from LynuxWorks
MULTI 2000 and ThreadX - from Express Logic
NetBSD - from the NetBSD Project

Plan 9 - commercially supported by Vita Nuova
Red Hat - commercially supported Red Hat Linux
RTEMS - from On-Line Applications Research
RTMX O/S - from RTMX
Solaris - from Sun Microsystems
SuperTask! - from U S Software
SuSE Linux
VXworks - from Wind River Systems
SPARC history
SPARC History
Spellabyte and Terrorbyte loved sitting around
the campfire, discussing the good old days of
SPARC computing.

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SPARC(R) is a registered trademark of SPARC International, Inc. SPARC PRODUCT DIRECTORY(SM) is a service mark of SPARC International, Inc used under license by ACSL. Products using the SPARC trademarks are based on an architecture developed by Sun Microsystems, Inc.