Added information about using the XThread Control Interface (XTCI) with cpusets in “Boot Cpuset” in Chapter 4.

Added information about using user exits to “/usr/lib/acct Directory” in Chapter 5 and sample user exit scripts to “Setting up User Exits” in Chapter 5.

Updated Figure 5-1 and Figure 5-2.

Removed statement that job limits are only supported on the IRIX feature stream from “Installing Job Limits” in Chapter 2. Job limits are now supported on both the IRIX maintenance and feature streams.

Added note that Comprehensive System Accounting is now supported on both the IRIX maintenance and feature streams in Chapter 5, “Comprehensive System Accounting”.