Dr. Phil Polstra, Professor of Digital Forensics, Bloomsburg University What is the extent of your Ext4 Filesystem Knowledge? CornCon VI: Return of the Cyber Jedi CornCon Cybersecurity Conference Oct 3, 2020 www.corncon.net Abstract: Attendees will learn more about the latest updates to the Linux ext4 filesystem (mostly commonly used Linux filesystem) including one of the most confusing features know as extents.