Command Line Interface

It's basically a way to interface with your computer using text commands. Not to be confused with a TUI. If you're not sure what a command does, add --help (or /? for some windows commands) at the end for help, RTFM, or read the man page or the info] page.

There are three main parts

• Terminal: This is the window where you type stuff
• Command Line: Where you actually type your commands - it's like the text input box
• Shell: The interpreter that processes your commands and communicates with the operating system

flowchart LR
    subgraph "User Interaction"
        U[/"User Types
        Commands"/]
        O[/"Sees Results"/]
    end
    
    subgraph "Interface Layer"
        T["Terminal Window"]
        P["Command Prompt"]
    end
    
    subgraph "Processing Layer"
        S["Shell Interpreter"]
        E["Command Execution"]
    end
    
    subgraph "System Layer"
        OS["Operating System"]
    end
    
    U --> T
    T --> P
    P --> S
    S --> E
    E --> OS
    OS --> S
    S --> T
    T --> O
    
    classDef user fill:#90EE90,stroke:#006400,color:#000000
    classDef interface fill:#ADD8E6,stroke:#000080,color:#000000
    classDef process fill:#FFB6C1,stroke:#8B0000,color:#000000
    classDef system fill:#DDA0DD,stroke:#4B0082,color:#000000
    
    class U,O user
    class T,P interface
    class S,E process
    class OS system

Advantages Over Graphical Interfaces

1. Efficiency: Execute complex operations with single commands
2. Automation: Easily script repetitive tasks
3. Resource Usage: Requires significantly fewer system resources
4. Precision: Offers granular control over system operations
5. Remote Access: Ideal for managing remote servers and systems