Linux Filesystems
Linux Filesystem Hierarchy
Learn how Linux organizes configuration, user data, programs, logs, runtime state, and temporary files, then inspect the correct path before making a change.
Linux Filesystems lessonLinuxPractice
UNTIMED COACHING
Practice before the pressure
Use feedback to correct the model, not merely memorize an option position.
GUIDED PRACTICE
Practice the lesson questions
Answer normal lesson questions without a timer. Every answer includes an explanation, and incorrect answers can be tried again before continuing.
- 20 questions balanced across the lesson's key topics
- At least four explanatory diagrams or tables
- Retry freely, without a timer or score
COMMAND EVIDENCE
Map the path before changing it
Read the command together with the observable result. The full Learn section explains what this evidence proves and what it does not prove.
$ namei -l /var/log/nginx/access.log
f: /var/log/nginx/access.log
drwxr-xr-x root root /
drwxr-xr-x root root var
drwxrwxr-x root syslog log
drwxr-x--- root adm nginx
-rw-r----- www-data adm access.logCONCEPT MODELS
See the lesson as a system
Use these visual guides to connect the key ideas before answering the questions.