GNU / Linux

Beginner

• Linux Sohbetleri Podcast
• The Linux Command Handbook | freecodecamp

Intermediate

• Man7
• Linux Command
• Explain Shell
• Linux Teknik Bilgi Arşivleri
• nixCraft
• OpenServer Docs
• Linux
• Linux Command Library
• Linux Dersleri
• Linuxize
• Tecmint
• How To Geek
• OS Technix
• The Geek Stuff
• Computer Networking Notes
• Computer Hope
• Linode Docs
• msHOWTO
• Linux Journey
• OverTheWire
• Linux Survival
• Açık Kaynak Fikirler
• Linux Topic
• Linux Hint
• 2 Day Geek
• The Geek Diary
• Linux Shell Tips
• Wizard Zines

Advanced

• The Linux Kernel Documentation