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Glossary of IT Terms

Information Security

Glossary A


This glossary contains industry standard and City specific IT terminology. The glossary should be consulted when policy, issue papers, etc. are drafted to ensure consistent use of terms across the City.
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

Kernal


Kernal
The central module of an operating system. It is the part of the operating system that loads first, and it remains in main memory. Because it stays in memory, it is important for the kernel to be as small as possible while still providing all the essential services required by other parts of the operating system and applications. Typically, the kernel is responsible for memory management, process and task management, and disk management.