The Linux File System
Navigate and permissions.
Everything Is a File
In Linux almost everything is represented as a file - regular files, directories, devices, even processes under /proc.
Understanding the file system is the foundation for navigating a compromised machine and spotting interesting data.
The Filesystem Hierarchy
Linux uses a single rooted tree starting at /. Key directories:
/etc- system configuration (and passwords)./home- user home directories./var- logs and variable data./tmp- world-writable temp space, handy for dropping tools./root- the root user home.
All lessons in this course
- The Linux File System
- Essential Commands
- User and Process Management
- Networking Commands