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+# Standard Library: File System (`std/fs.zc`)
+
+The `fs` module provides functionality for interacting with the file system, including file I/O and directory operations.
+
+## Usage
+
+```zc
+import "std/fs.zc"
+
+fn main() {
+    // Reading a file
+    var res = File::open("example.txt", "r");
+    if (res.is_ok()) {
+        var file = res.unwrap();
+        var content = file.read_to_string();
+        if (content.is_ok()) {
+            println "{content.unwrap()}";
+        }
+        file.close();
+    }
+
+    // Static utilities
+    if (File::exists("data")) {
+        println "Data directory exists";
+    }
+}
+```
+
+## Structs
+
+### File
+
+Represents an open file handle.
+
+```zc
+struct File {
+    handle: void*;
+}
+```
+
+### Metadata
+
+File or directory metadata.
+
+```zc
+struct Metadata {
+    size: U64;
+    is_dir: bool;
+    is_file: bool;
+}
+```
+
+### DirEntry
+
+Represents an entry in a directory.
+
+```zc
+struct DirEntry {
+    name: String;
+    is_dir: bool;
+}
+```
+
+## File Methods
+
+### Open / Close
+
+| Method | Signature | Description |
+| :--- | :--- | :--- |
+| **open** | `File::open(path: char*, mode: char*) -> Result<File>` | Opens a file with the specified mode (e.g., "r", "w", "rb"). Returns a `Result`. |
+| **close** | `close(self)` | Closes the file handle. |
+
+### Read / Write
+
+| Method | Signature | Description |
+| :--- | :--- | :--- |
+| **read_to_string** | `read_to_string(self) -> Result<String>` | Reads the entire file content into a String. |
+| **read_all** | `File::read_all(path: char*) -> Result<String>` | Static utility to open, read, and close a file in one go. |
+| **write_string** | `write_string(self, content: char*) -> Result<bool>` | Writes a string to the file. |
+
+## Static Utilities
+
+| Method | Signature | Description |
+| :--- | :--- | :--- |
+| **exists** | `File::exists(path: char*) -> bool` | Checks if a path exists. |
+| **metadata** | `File::metadata(path: char*) -> Result<Metadata>` | Retrieves metadata for a path. |
+| **create_dir** | `File::create_dir(path: char*) -> Result<bool>` | Creates a new directory. |
+| **remove_file** | `File::remove_file(path: char*) -> Result<bool>` | Deletes a file. |
+| **remove_dir** | `File::remove_dir(path: char*) -> Result<bool>` | Deletes a directory. |
+| **read_dir** | `File::read_dir(path: char*) -> Result<Vec<DirEntry>>` | Reads the contents of a directory. Returns a vector of `DirEntry`. |