Welcome to my portfolio
I’m polishing each page. Meanwhile, check out my micro-learning videos.
Micro-learning
Short learning videos (Networks & Telecom). More videos coming soon.
Who can read, write, or execute your Linux files?
We demystify it in 90 seconds — born from the BUT R&T learning outcomes (AC11.04, AC13.02, AC13.01).
On Linux/Unix, every file and folder is protected by permissions that define who can read, write, or execute.
Mastering these permissions lays the groundwork for system security.