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Understanding File System Forensics: FAT, NTFS, HFS, and EXT
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Author(s): Henil Sanjaykumar Gandhi (Illinois Institute of Technology, USA)and Aryan Dinesh Deshmukh (Illinois Institute of Technology, USA)
Copyright: 2025
Pages: 18
Source title:
Digital Forensics in the Age of AI
Source Author(s)/Editor(s): Marwan Omar (Illinois Institute of Technology, USA)and Hewa Majeed Zangana (Duhok Polytechnic University, Iraq)
DOI: 10.4018/979-8-3373-0857-9.ch007
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Abstract
In the following paper, we look at file system forensics intricacies for four dominant ones: EXT, FAT, NTFS and HFS. In this book, each of the system is discussed with its structure, operational characteristics and forensic challenge to collect evidence against it. The EXT family (EXT2, EXT3, EXT4) gets its turn on being evolutionary and providing tons of improvements around journaling and data integrity. It describes the FAT file system for its simplicity and great acceptance, then it presents common forensic techniques such as metadata examination and cluster chain analysis. Although NTFS has some advanced features of its own, such as the Master File Table (MFT) and strong journaling system that it uses to recover both resident and non-resident files, it's really not too much different from other file systems. Now comes to its proprietary nature with the analysis of HFS file system including Catalog file corruption, encryption handling, and more details about the entire structure of its Cloud.
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