diff --git a/src-tauri/src/menu.rs b/src-tauri/src/menu.rs
index 0937bfce3..8ad7a7aee 100644
--- a/src-tauri/src/menu.rs
+++ b/src-tauri/src/menu.rs
@@ -1173,10 +1173,10 @@ pub fn model(spec: &[Entry], recent: &[RecentItem], config: &MenuConfig) -> Vec<
     out
 }
 
-/// Whether the OS menu bar is used. Windows project windows draw IDEA's
-/// hamburger menu in their own title bar instead.
+/// Whether the OS menu bar is used. Windows and Linux project windows are
+/// frameless and draw IDEA's hamburger menu in their own title bar instead.
 pub fn native_menu_bar() -> bool {
-    !cfg!(target_os = "windows")
+    cfg!(target_os = "macos")
 }
 
 /// Rebuilds and installs the app menu from the current config and recent list.
diff --git a/src-tauri/src/windows.rs b/src-tauri/src/windows.rs
index 78381f709..e7be69548 100644
--- a/src-tauri/src/windows.rs
+++ b/src-tauri/src/windows.rs
@@ -724,7 +724,7 @@ pub fn open_settings_window(
     let mut config = window_config(app)?;
     config.label = label.clone();
     config.title = "Settings".into();
-    // Frameless on Windows like project windows (tauri.windows.conf.json): the page draws
+    // Frameless on Windows and Linux like project windows (tauri.<os>.conf.json): the page draws
     // the title bar in the app theme instead of a system caption that follows the OS theme.
     (config.width, config.height) = SETTINGS_SIZE;
     (config.min_width, config.min_height) = (Some(SETTINGS_MIN_SIZE.0), Some(SETTINGS_MIN_SIZE.1));
diff --git a/src-tauri/tauri.linux.conf.json b/src-tauri/tauri.linux.conf.json
new file mode 100644
index 000000000..d3fb6d740
--- /dev/null
+++ b/src-tauri/tauri.linux.conf.json
@@ -0,0 +1,18 @@
+{
+  "app": {
+    "windows": [
+      {
+        "label": "main",
+        "create": false,
+        "title": "OpenIDEA",
+        "width": 1440,
+        "height": 900,
+        "minWidth": 800,
+        "minHeight": 500,
+        "decorations": false,
+        "backgroundColor": "#E9EAEE",
+        "dragDropEnabled": true
+      }
+    ]
+  }
+}
diff --git a/src/platform/platformInfo.ts b/src/platform/platformInfo.ts
index 34e7938cf..230a34bdd 100644
--- a/src/platform/platformInfo.ts
+++ b/src/platform/platformInfo.ts
@@ -7,7 +7,7 @@ interface PlatformInfo {
   version: string | null;
   /** Native traffic lights overlay the title bar (Tauri, macOS, Overlay style). */
   overlayTitleBar: boolean;
-  /** Frameless window: the title bar draws the main menu and caption buttons (Tauri, Windows). */
+  /** Frameless window: the title bar draws the main menu and caption buttons (Tauri, Windows and Linux). */
   framelessTitleBar: boolean;
 }
 
@@ -27,7 +27,7 @@ export const usePlatform = create<PlatformInfo>(() => {
     os,
     version: null,
     overlayTitleBar: isTauri() && os === "macos",
-    framelessTitleBar: isTauri() && os === "windows",
+    framelessTitleBar: isTauri() && (os === "windows" || os === "linux"),
   };
 });
 
@@ -39,7 +39,7 @@ export async function loadPlatformInfo() {
       os: info.platform,
       version: info.version,
       overlayTitleBar: info.platform === "macos",
-      framelessTitleBar: info.platform === "windows",
+      framelessTitleBar: info.platform === "windows" || info.platform === "linux",
     });
   } catch {
     /* keep the user-agent guess */
diff --git a/src/workbench/MainMenu.tsx b/src/workbench/MainMenu.tsx
index 8dc9061fa..abac3a1bf 100644
--- a/src/workbench/MainMenu.tsx
+++ b/src/workbench/MainMenu.tsx
@@ -1,5 +1,5 @@
 /**
- * Windows title bar: IDEA's main menu button. Clicking ☰ expands the menu bar
+ * Frameless title bar (Windows, Linux): IDEA's main menu button. Clicking ☰ expands the menu bar
  * in place (File Edit View …) with File open; hovering another title switches
  * menus, ←/→ walk them, and closing the menu collapses the bar again. The
  * entries come from the same spec as the native menu (`menu_model`). As in
diff --git a/src/workbench/TitleBar.module.css b/src/workbench/TitleBar.module.css
index afed9c4b7..da2d54ded 100644
--- a/src/workbench/TitleBar.module.css
+++ b/src/workbench/TitleBar.module.css
@@ -99,7 +99,7 @@
   color: var(--fg-secondary);
 }
 
-/* Windows frameless window: caption buttons sit flush with the right and top edges. */
+/* Frameless window (Windows, Linux): caption buttons sit flush with the right and top edges. */
 .frameless {
   padding-right: 0;
 }
diff --git a/src/workbench/TitleBar.tsx b/src/workbench/TitleBar.tsx
index 17306b2b7..e714e4f4f 100644
--- a/src/workbench/TitleBar.tsx
+++ b/src/workbench/TitleBar.tsx
@@ -256,7 +256,7 @@ function ToolbarEntry({ id, items }: { id: string; items: ReadonlyMap<string, Ti
 
 /**
  * 40px main toolbar. macOS: native traffic lights overlay its left edge.
- * Windows: the window is frameless, so the bar carries IDEA's main menu (☰) and
+ * Windows and Linux: the window is frameless, so the bar carries IDEA's main menu (☰) and
  * the caption buttons. `dialog`: a dialog window's bar (Settings), close button only.
  * `lightEdit`: a LightEdit window's bar, its title and the menu but no toolbar widgets.
  */
@@ -279,7 +279,7 @@ export function TitleBar({
   const [menuExpanded, setMenuExpanded] = useState(false);
   const className = clsx(styles.bar, overlay && styles.overlay, frameless && styles.frameless);
   // Distraction Free Mode: the window frame only. Where the title bar carries the
-  // main menu (Windows) it stays, or nothing would lead back out of the mode.
+  // main menu (Windows, Linux) it stays, or nothing would lead back out of the mode.
   if (bare)
     return (
       <header className={className} data-tauri-drag-region data-titlebar="bare">
diff --git a/src/workbench/WindowControls.tsx b/src/workbench/WindowControls.tsx
index 862b1b1f7..286fa71f5 100644
--- a/src/workbench/WindowControls.tsx
+++ b/src/workbench/WindowControls.tsx
@@ -1,5 +1,5 @@
 /**
- * Windows caption buttons (minimise, maximise / restore, close) for the frameless
+ * Caption buttons (minimise, maximise / restore, close) for the frameless
  * title bar. Dialog windows (Settings) only have close, as in IDEA.
  */
 import { useEffect, useState } from "react";