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You're reading from  CISA – Certified Information Systems Auditor Study Guide - Second Edition

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781803248158
Edition2nd Edition
Concepts
Information Security
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Author (1)
Hemang Doshi
Hemang Doshi
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Hemang Doshi

Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
Read more about Hemang Doshi

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System Performance Management

It is important to understand the system architecture and features of each function that supports and manages a system’s performance. In this section, you will go through some of the prominent functions.

Nucleus (Kernel) Functions

The nucleus is responsible for basic processes associated with the operating system. It manages process creation, interrupt handling support for input and output processes, allocation, the release of memory, and so on. The nucleus is a highly sensitive area where access is restricted to only authorized users. Above the nucleus are other operating system processes to support users. These processes are known as system software. System software ensures the integrity of a system and controls the system interfaces. Examples of system software include access control software, tape and disk management software, and job scheduling software.

Utility Programs

Utility programs help to manage and control computer resources...

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CISA – Certified Information Systems Auditor Study Guide - Second Edition
Published in: Jun 2023Publisher: PacktISBN-13: 9781803248158
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Hemang Doshi

Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
Read more about Hemang Doshi

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