Linux Command Levels
Tutorials & Resources
Navigation
pwd
Show current directory
cd [dir]
Change directory
ls [options]
List directory contents
File Operations
touch [file]
Create empty file
cat [file]
Display file contents
cp [src] [dest]
Copy files/directories
Permissions
chmod [perms] [file]
Change file permissions
chown [user] [file]
Change file owner
ls -l
View permissions
Processes
ps aux
List all processes
kill [pid]
Terminate process
top
Interactive process viewer
Networking
ifconfig
Network interfaces
ping [host]
Test connectivity
netstat -tuln
Listening ports
Recommended Learning Resources
- Linux Command Line Basics (YouTube)
- Linux Journey - Interactive Tutorial
- Ryan's Linux Tutorial
- Linux Security Fundamentals (Cybrary)
- Explain Shell - Command Breakdown
Practice Environments
Terminal Shortcuts
Ctrl + C
Cancel/terminate current command
Ctrl + L
Clear the terminal
Tab
Auto-complete commands/filenames
↑ / ↓
Navigate command history
Ctrl + A
Move to start of line
Ctrl + E
Move to end of line
Terminal
Welcome to Terminal Quest! Select a level to begin learning Linux commands for cybersecurity.
user@terminal-quest:~$