Differences Between Aix 6.1,5.3,4.3 Versions

* AIX 6.1:

 Workload Partitions

 Live Application Mobility

 Role Based Access Control RBAC

 AIX Security Expert hardening tool

 Trusted AIX

 Encrypting JFS2 filesystem

 Trusted Execution

 Concurrent Kernel Maintenance

 Kernel exploitation of POWER6 storage keys

 probevue dynamic tracing

 Systems Director Console for AIX

 Integrated filesystem snapshot

 Partition mobility on POWER6

 AIX 5L 5.3, August 13, 2004

 NFS Version 4 support

 Advanced Accounting

 Virtual SCSI

 Virtual Ethernet

 Simultaneous multithreading (SMT) support

 Micro-Partitioning support

 POWER5 support

 JFS2 quota support

 JFS2 filesystem shrink support

* AIX 5L 5.2. :

 Introduced support for the IBM BladeCenter JS20 with the PowerPC 970.

 Minimum level required for POWER5 hardware

 Support for MPIO Fibre Channel disks

 iSCSI Initiator software

 Dynamic LPAR support

* AIX 5L 5.1. :

 Introduced support for the IA-64 architecture, although this never went beyond beta,[1]

 Minimum level required for POWER4 hardware and the last release that supported Micro Channel architecture

 Introduction of 64-bit kernel, installed but not activated by default

 JFS2

 introduced Logical Partitioning on POWER4

 The L stands for Linux affinity

 Trusted Computing Base (TCB)

* AIX 4.3.3. :

 Added online backup function

 Workload Management (WLM)