AIX 5L for POWER Version 5.3

Highlights

• Well-proven, scalable, open, standards-based UNIX® operating system
• IBM POWER5™ technology and Virtualization Engine™ enablement help deliver power, increase utilization, ease administration and reduce total cost
• Rock-solid security and availability to help protect IT assets and keep businesses running
• Linux® affinity enables fast, cost-effective development of cross-platform applications

Accept no limits, make no compromises
In today’s on demand world, clients need a safe, secure, stable and flexible operating environment to run their organizations. That is why more and more businesses large and small are choosing AIX 5L™ for POWER™, IBM’s industrial-strength UNIX operating system (OS), for their mission-critical applications. With its proven scalability, reliability and manageability, the AIX 5L OS is an excellent choice for building a flexible IT infrastructure and is the only UNIX operating system that leverages IBM experience in building solutions that run businesses worldwide. And only one UNIX operating system leads the industry in vision and delivery of advanced support for 64-bit scalability, virtualization and affinity for Linux. That operating system is AIX 5L.

AIX 5L is an open, standards-based OS that conforms to The Open Group’s Single UNIX Specification Version 3. It provides fully integrated support for 32- and 64-bit applications. AIX 5L supports the IBM System p5™, IBM eServer™ p5, IBM eServer pSeries®, IBM eServer i5 and IBM RS/6000® server product lines, as well as IBM BladeCenter® JS2x blades and IntelliStation® POWER and RS/6000 workstations. In addition to compliance with UNIX standards, AIX 5L includes commands and application programming interfaces to ease the porting of applications from Linux to AIX 5L.

AIX 5L Version 5.3 offers new levels of innovative self-management technologies. It continues to exploit current 64-bit system and software architecture to support advanced virtualization options, as well as IBM POWER5 and POWER5+™ processors with simultaneous multithreading capability for improved performance and system utilization. AIX 5L V5.3 is enhanced to support the IBM Virtualization Engine systems technology innovations available on POWER5 and POWER5+ systems, including Micro-Partitioning™ and Virtual I/O Server support.

AIX 5L V5.3 also includes the advanced distributed file system NFSv4. NFSv4 is an open, standards-based distributed file system that offers superior security, interoperability and scalability. AIX 5L was the first commercial UNIX vendor to include NFSv4. IBM includes advanced NFSv4 file system federation and replication management capabilities.

AIX 5L V5.3 provides improved system security, enhanced performance analysis and tuning tools and added system management tools. This AIX 5L release underscores IBM’s firm commitment to long-term UNIX innovations that deliver business value.

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• Storage Protection Keys on AIX Version 5.3

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