The Open Group has now accepted Apple’s new operating system into their Unix club. However, there aren’t many members of that club; it has for long been a home almost exclusively for IBM, Sun and HP. Here’s a list of members of the UNIX 03 group:

• Apple Inc.: Mac OS X Version 10.5 Leopard on Intel-based Macintosh computers
• Fujitsu Limited: Solaris™ 10 Operating System on Fujitsu PRIMEPOWER® 64-bit SPARC® Based Platforms
• Hewlett-Packard Company: HP-UX 11i V3 Release B.11.31 or later on HP Integrity Servers
• IBM Corporation: AIX 5L for POWER V5.3 dated 7-2006 or later
• IBM Corporation: AIX 5L for POWER V5.2 dated 8-2004 or later with APARs: IY59610, IY60869, IY61405 with VAC 6.0.0.8 or later on pSeries CHRP systems
• Sun Microsystems, Inc.: Solaris 10 Operating System plus patch 118844-06 for X86 and on, on 64-bit X86 based systems
• Sun Microsystems, Inc.: Solaris 10 Operating System and on, on 32-bit X86 based systems
• Sun Microsystems, Inc.: Solaris 10 Operating System and on, on 32-bit and 64-bit SPARC based systems

As you can see, it’s a very short list of seriously complex system.

Congratulations, Leopard; you’re one of the few, the proud, the Unixes.

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