System WPARs

A system WPAR is similar to a typical AIX environment. Each System WPAR has
dedicated writable file systems, although it can share the global environment /usr
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and /opt filesystems in read only mode). When a system WPAR is started, an init
process is created for this WPAR, which in turns spawns other processes and
daemons. For example, a system WPAR contains an inetd daemon to allow
complete networking capacity, making it possible to remotely log into a system
WPAR. It also runs a cron daemon, so that execution of processes can be
scheduled.