Linux Command Line Productivity

Help me be more productive on the Linux/Mac command line.

Experience: [BEGINNER / KNOW BASICS / WANT ADVANCED]
OS: [LINUX / MAC / WSL ON WINDOWS]

Use case: [DEVELOPMENT / SYSADMIN / DATA / GENERAL]

Provide:
1. **Essential Commands**: The 20 commands every developer should know
2. **File Operations**: Finding, searching, and manipulating files efficiently
3. **Text Processing**: grep, sed, awk for text manipulation
4. **Piping & Chaining**: Combining commands with pipes and operators
5. **Shell Scripting Basics**: Writing simple automation scripts
6. **Aliases & Functions**: Creating shortcuts for common commands
7. **SSH Mastery**: Key management, tunnelling, and config
8. **Process Management**: Monitoring and managing running processes
9. **Shell Customisation**: zsh, oh-my-zsh, and prompt customisation
10. **Tmux/Screen**: Terminal multiplexing for persistent sessions

Help me be more productive on the Linux/Mac command line.

Experience: [BEGINNER / KNOW BASICS / WANT ADVANCED]
OS: [LINUX / MAC / WSL ON WINDOWS]
Use case: [DEVELOPMENT / SYSADMIN / DATA / GENERAL]

Provide:
1. **Essential Commands**: The 20 commands every developer should know
2. **File Operations**: Finding, searching, and manipulating files efficiently
3. **Text Processing**: grep, sed, awk for text manipulation
4. **Piping & Chaining**: Combining commands with pipes and operators
5. **Shell Scripting Basics**: Writing simple automation scripts
6. **Aliases & Functions**: Creating shortcuts for common commands
7. **SSH Mastery**: Key management, tunnelling, and config
8. **Process Management**: Monitoring and managing running processes
9. **Shell Customisation**: zsh, oh-my-zsh, and prompt customisation
10. **Tmux/Screen**: Terminal multiplexing for persistent sessions