Max core : component max-core parameter determines the maximum amount of memory the component will consume per partition before it spills to disk. Max memory : Enables the collection of memory usage data for components.
abinitiorc file is server file which is common to all server user and only admin can do changes to it. .abinitiorc is user config file and has higher precedence over system config file abinitiorc. Both contains lot of configuration variables like ab home, ab air root, host connection etc. For mode details visit help file.