April 2020
Intermediate to advanced
400 pages
10h 12m
English
book
Practical Mobile Forensics - Fourth Edition
by Rohit Tamma, Oleg Skulkin, Heather Mahalik, Satish Bommisetty
Content preview from Practical Mobile Forensics - Fourth Edition
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Media-based filesystems
The following are some of the media-based filesystems supported by Android devices.
The Extended File System (EXT), which was introduced in 1992 specifically for the Linux kernel, was one of the first filesystems, and it used a virtual filesystem. EXT2, EXT3, and EXT4 are the subsequent versions. Journaling is the main advantage of EXT3 over EXT2. With EXT3, if there is an unexpected shutdown, there is no need to verify the filesystem. The EXT4 filesystem has gained significance with mobile devices implementing dual-core processors. The YAFFS2 filesystem is known to have a bottleneck on dual-core systems. With the Gingerbread version of Android, the YAFFS filesystem was swapped for EXT4.
The following are the mount ...