A list of free resources to learn Linux & CLI
- Linux Journey
- Linux Command Line
- Linux Commands Handbook
- Linux Handbook
- Tecmint
- LinuxOPsys
- Linux Hint
- Linuxtopia
- Linuxize
- Eduonix Learn Linux From Scratch
- Cyberciti Bash Shell Scripting Tutorial
- Learn Enough Command Line To Be Dangerous
- The Debian Administrator's Handbook
- LabEx Linux For Noobs
- nixCraft
- Conquering the Command Line
- FOSS Linux
- It's FOSS
- Linux Survival
- Ryan's Tutorials
- TLDP Advanced Bash Scripting Guide
- Guru99 Linux Tutorial Summary
- Geek-University's Linux Course
- OverTheWire
- You Don't Need GUI - CLI Commands Cheatsheet
- Vim Cheatsheet or rTorr - Vim Code Editor Cheat Sheets
- OpenVim - Interactive Vim Tutorial
- Vim Adventures - Vim Learning Game
- Vim University - Vim Tips
- The Linux Kernel - Linux Kernel Development Guides
- Workbench - Learn / Experiment with Gnome