diff --git a/plugins/os/guest-js/index.ts b/plugins/os/guest-js/index.ts
index 60ff1160..2b94895d 100644
--- a/plugins/os/guest-js/index.ts
+++ b/plugins/os/guest-js/index.ts
@@ -85,6 +85,22 @@ async function version(): Promise<string> {
   return window.__TAURI_INVOKE__("plugin:os|version");
 }
 
+type Family = "unix" | "windows";
+
+/**
+ * Returns the current operating system family. Possible values are `'unix'`, `'windows'`.
+ * @example
+ * ```typescript
+ * import { family } from '@tauri-apps/plugin-os';
+ * const family = await family();
+ * ```
+ *
+ * @since 2.0.0
+ */
+async function family(): Promise<Family> {
+  return window.__TAURI_INVOKE__("plugin:os|family");
+}
+
 /**
  * Returns the current operating system type. Returns `'linux'` on Linux, `'macos'` on macOS, `'windows'` on Windows, `'ios'` on iOS and `'android'` on Android.
  * @example
@@ -157,5 +173,15 @@ async function hostname(): Promise<string | null> {
   return window.__TAURI_INVOKE__("plugin:os|hostname");
 }
 
-export { EOL, platform, version, type, arch, locale, exeExtension, hostname };
-export type { Platform, OsType, Arch };
+export {
+  EOL,
+  platform,
+  family,
+  version,
+  type,
+  arch,
+  locale,
+  exeExtension,
+  hostname,
+};
+export type { Platform, OsType, Arch, Family };
diff --git a/plugins/os/src/api-iife.js b/plugins/os/src/api-iife.js
index d22be7a2..382e6d15 100644
--- a/plugins/os/src/api-iife.js
+++ b/plugins/os/src/api-iife.js
@@ -1 +1 @@
-if("__TAURI__"in window){var __TAURI_OS__=function(n){"use strict";const _=navigator.appVersion.includes("Win")?"\r\n":"\n";return n.EOL=_,n.arch=async function(){return window.__TAURI_INVOKE__("plugin:os|arch")},n.exeExtension=async function(){return window.__TAURI_INVOKE__("plugin:os|exe_extension")},n.hostname=async function(){return window.__TAURI_INVOKE__("plugin:os|hostname")},n.locale=async function(){return window.__TAURI_INVOKE__("plugin:os|locale")},n.platform=async function(){return window.__TAURI_INVOKE__("plugin:os|platform")},n.type=async function(){return window.__TAURI_INVOKE__("plugin:os|os_type")},n.version=async function(){return window.__TAURI_INVOKE__("plugin:os|version")},n}({});Object.defineProperty(window.__TAURI__,"os",{value:__TAURI_OS__})}
+if("__TAURI__"in window){var __TAURI_OS__=function(n){"use strict";const _=navigator.appVersion.includes("Win")?"\r\n":"\n";return n.EOL=_,n.arch=async function(){return window.__TAURI_INVOKE__("plugin:os|arch")},n.exeExtension=async function(){return window.__TAURI_INVOKE__("plugin:os|exe_extension")},n.family=async function(){return window.__TAURI_INVOKE__("plugin:os|family")},n.hostname=async function(){return window.__TAURI_INVOKE__("plugin:os|hostname")},n.locale=async function(){return window.__TAURI_INVOKE__("plugin:os|locale")},n.platform=async function(){return window.__TAURI_INVOKE__("plugin:os|platform")},n.type=async function(){return window.__TAURI_INVOKE__("plugin:os|os_type")},n.version=async function(){return window.__TAURI_INVOKE__("plugin:os|version")},n}({});Object.defineProperty(window.__TAURI__,"os",{value:__TAURI_OS__})}