As the Red Hat exams are an advanced challenge, I limit this glossary to what you would see beyond the prerequisites; don’t expect to see most basic terms from Chapter 1 here.
Access Control Lists (ACLs) Access Control Lists (ACLs) provide an additional layer of access control to files and directories; associated with the setfacl and getfacl commands.
Address Resolution Protocol (ARP) A protocol that maps an IP address to the hardware address on a network card.
anacron The anacron service is designed to run cron jobs that could not run while a server was powered down.
Apache Web server The Apache Web server provides both ...