📂 Node.js File Handling Quiz

graph LR FS["fa:fa-file-code Node.js FS Module"] %% Main Categories BASIC["fa:fa-cogs Basic Operations"] STREAM["fa:fa-stream Stream Operations"] MONITOR["fa:fa-eye Monitoring"] PERM["fa:fa-lock Permissions"] DIR["fa:fa-folder Directory Operations"] ERROR["fa:fa-exclamation-triangle Error Handling"] FS --> |"Core module"| BASIC FS --> |"Efficient handling"| STREAM FS --> |"File changes"| MONITOR FS --> |"Access control"| PERM FS --> |"Folder management"| DIR FS --> |"Handle exceptions"| ERROR %% Basic Operations Detail BASIC --> |"Read file content"| B1["fa:fa-file-alt readFile()"] BASIC --> |"Write to file"| B2["fa:fa-file-export writeFile()"] BASIC --> |"Check existence"| B3["fa:fa-question-circle existsSync()"] BASIC --> |"File info"| B4["fa:fa-info-circle stat()"] BASIC --> |"Add content"| B5["fa:fa-plus-circle appendFile()"] %% Stream Operations Detail STREAM --> |"Read chunks"| S1["fa:fa-file-import createReadStream()"] STREAM --> |"Write chunks"| S2["fa:fa-file-export createWriteStream()"] STREAM --> |"Process lines"| S3["fa:fa-bars readline Interface"] S1 --> |"Chunk data"| S1A["fa:fa-cube data event"] S1 --> |"Complete"| S1B["fa:fa-check-circle end event"] S1 --> |"Handle errors"| S1C["fa:fa-times-circle error event"] %% Monitoring Detail MONITOR --> |"Watch changes"| M1["fa:fa-eye watch()"] M1 --> |"File modified"| M2["fa:fa-edit change event"] M1 --> |"File renamed"| M3["fa:fa-font rename event"] %% Permissions Detail PERM --> |"Change mode"| P1["fa:fa-shield-alt chmod()"] PERM --> |"Access check"| P2["fa:fa-key access()"] PERM --> |"Open modes"| P3["fa:fa-lock-open File Flags"] P3 --> |"Write mode"| P3A["fa:fa-pencil-alt 'w' flag"] P3 --> |"Append mode"| P3B["fa:fa-plus 'a' flag"] P3 --> |"Read mode"| P3C["fa:fa-book-reader 'r' flag"] %% Directory Operations Detail DIR --> |"List contents"| D1["fa:fa-list readdir()"] DIR --> |"Make directory"| D2["fa:fa-folder-plus mkdir()"] DIR --> |"Remove directory"| D3["fa:fa-folder-minus rmdir()"] DIR --> |"Remove file"| D4["fa:fa-trash unlink()"] %% Error Handling Detail ERROR --> |"Permission denied"| E1["fa:fa-ban EACCES"] ERROR --> |"Not found"| E2["fa:fa-search-minus ENOENT"] ERROR --> |"Path exists"| E3["fa:fa-exclamation-circle EEXIST"] %% Style style FS fill:#f9f,stroke:#333,stroke-width:4px style BASIC fill:#bbf,stroke:#333,stroke-width:2px style STREAM fill:#bfb,stroke:#333,stroke-width:2px style MONITOR fill:#fbf,stroke:#333,stroke-width:2px style PERM fill:#ffb,stroke:#333,stroke-width:2px style DIR fill:#bff,stroke:#333,stroke-width:2px style ERROR fill:#fbb,stroke:#333,stroke-width:2px