This IBM Redbooks publication focuses on the differences introduced in AIX 5L Version 5.3 when compared to AIX 5L Version 5.2. It is intended to help system administrators, developers, and users understand these enhancements and evaluate potential benefits in their own environments. AIX 5L Version 5.3 introduces many new features, including NFS Version 4 and Advanced Accounting, and exploits the advanced capabilities of POWER5 equipped severs, such as Virtual SCSI, Virtual Ethernet SMT, Micro-Partitioning, and others. There are many other enhancements available with AIX 5L Version 5.3, and you can explore them in this book. For customers who are not familiar with the enhancements of AIX 5L through Version 5.2, a companion publication, AIX 5L Differences Guide Version 5.2 Edition, SG24-5765 is available.

Get to know the IBM AIX operating system! The topics covered include: - Basics of the AIX operating system; - Virtualization, PowerVM, Virtual I/O Server; - Installation and maintenance of the AIX operating system; - Management of users, disks, and the file system; - Backup and system diagnostics; - Performance tips; - Security features. Operating systems from the UNIX family are known for their high reliability and performance. This is why many companies use such systems to manage key application servers. One of the systems that belongs to this family is AIX, which has gained popularity in recent years due to its significant potential for virtualization as well as the fact that its security configuration meets the strictest security requirements.