February 2026
Intermediate to advanced
456 pages
17h 3m
English
Content preview from Digital Forensics, Investigation, and Response 5E, 5th Edition
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Can You Undelete in Linux?
This section expands on the details of Linux files and discusses a method for recovering deleted files.
Whenever you refer to a file by name, the operating system uses the filename to look up the corresponding inode, which then enables the system to obtain the information it needs about the file to perform further operations. An inode is a data structure in the file system that stores all the information about a file except its name and its actual data. Inodes can refer to either files or directories.
From the operating system’s perspective, a filename is really just an entry in a table with inode numbers. The name is not directly associated with the file; it is just a human-readable method of locating the inode number. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.