diff --git a/qodana.yaml b/qodana.yaml
new file mode 100644
index 0000000..29f8f8c
--- /dev/null
+++ b/qodana.yaml
@@ -0,0 +1,29 @@
+#-------------------------------------------------------------------------------#
+#               Qodana analysis is configured by qodana.yaml file               #
+#             https://www.jetbrains.com/help/qodana/qodana-yaml.html            #
+#-------------------------------------------------------------------------------#
+version: "1.0"
+
+#Specify inspection profile for code analysis
+profile:
+  name: qodana.starter
+
+#Enable inspections
+#include:
+#  - name: <SomeEnabledInspectionId>
+
+#Disable inspections
+#exclude:
+#  - name: <SomeDisabledInspectionId>
+#    paths:
+#      - <path/where/not/run/inspection>
+
+#Execute shell command before Qodana execution (Applied in CI/CD pipeline)
+#bootstrap: sh ./prepare-qodana.sh
+
+#Install IDE plugins before Qodana execution (Applied in CI/CD pipeline)
+#plugins:
+#  - id: <plugin.id> #(plugin id can be found at https://plugins.jetbrains.com)
+
+#Specify Qodana linter for analysis (Applied in CI/CD pipeline)
+linter: jetbrains/qodana-js:latest
diff --git a/src/components/ModalInFile.svelte b/src/components/ModalInFile.svelte
index 5b8739a..6d64f55 100644
--- a/src/components/ModalInFile.svelte
+++ b/src/components/ModalInFile.svelte
@@ -35,11 +35,11 @@
   onMount(() => {
     eventBus.enable('infile')
 
-    eventBus.on('infile', 'enter', openSelection)
-    eventBus.on('infile', 'open-in-new-pane', openSelectionInNewTab)
-    eventBus.on('infile', 'arrow-up', () => moveIndex(-1))
-    eventBus.on('infile', 'arrow-down', () => moveIndex(1))
-    eventBus.on('infile', 'tab', switchToVaultModal)
+    eventBus.on('infile', Action.Enter, openSelection)
+    eventBus.on('infile', Action.OpenInNewPane, openSelectionInNewTab)
+    eventBus.on('infile', Action.ArrowUp, () => moveIndex(-1))
+    eventBus.on('infile', Action.ArrowDown, () => moveIndex(1))
+    eventBus.on('infile', Action.Tab, switchToVaultModal)
   })
 
   onDestroy(() => {
diff --git a/src/components/ModalVault.svelte b/src/components/ModalVault.svelte
index 9bbaf80..cc6a7d7 100644
--- a/src/components/ModalVault.svelte
+++ b/src/components/ModalVault.svelte
@@ -9,6 +9,7 @@
     IndexingStepType,
     type ResultNote,
     SPACE_OR_PUNCTUATION,
+    Action,
   } from 'src/globals'
   import { createNote, openNote } from 'src/tools/notes'
   import {
@@ -90,15 +91,16 @@
 
   onMount(async () => {
     eventBus.enable('vault')
-    eventBus.on('vault', 'enter', openNoteAndCloseModal)
-    eventBus.on('vault', 'create-note', createNoteAndCloseModal)
-    eventBus.on('vault', 'open-in-new-pane', openNoteInNewPane)
-    eventBus.on('vault', 'insert-link', insertLink)
-    eventBus.on('vault', 'tab', switchToInFileModal)
-    eventBus.on('vault', 'arrow-up', () => moveIndex(-1))
-    eventBus.on('vault', 'arrow-down', () => moveIndex(1))
-    eventBus.on('vault', 'prev-search-history', prevSearchHistory)
-    eventBus.on('vault', 'next-search-history', nextSearchHistory)
+    eventBus.on('vault', Action.Enter, openNoteAndCloseModal)
+    eventBus.on('vault', Action.OpenInBackground, openNoteInBackground)
+    eventBus.on('vault', Action.CreateNote, createNoteAndCloseModal)
+    eventBus.on('vault', Action.OpenInNewPane, openNoteInNewPane)
+    eventBus.on('vault', Action.InsertLink, insertLink)
+    eventBus.on('vault', Action.Tab, switchToInFileModal)
+    eventBus.on('vault', Action.ArrowUp, () => moveIndex(-1))
+    eventBus.on('vault', Action.ArrowDown, () => moveIndex(1))
+    eventBus.on('vault', Action.PrevSearchHistory, prevSearchHistory)
+    eventBus.on('vault', Action.NextSearchHistory, nextSearchHistory)
     await NotesIndex.refreshIndex()
     if (settings.showPreviousQueryResults) {
       previousQuery = (await cacheManager.getSearchHistory())[0]
@@ -162,6 +164,11 @@
     modal.close()
   }
 
+  function openNoteInBackground(): void {
+    if (!selectedNote) return
+    openSearchResult(selectedNote, true)
+  }
+
   function openNoteInNewPane(): void {
     if (!selectedNote) return
     openSearchResult(selectedNote, true)
@@ -324,7 +331,8 @@
     <span>to cycle history</span>
   </div>
   <div class="prompt-instruction">
-    <span class="prompt-instruction-command">{openInCurrentPaneKey}</span><span>to open</span>
+    <span class="prompt-instruction-command">{openInCurrentPaneKey}</span>
+    <span>to open</span>
   </div>
   <div class="prompt-instruction">
     <span class="prompt-instruction-command">tab</span>
@@ -335,6 +343,12 @@
     <span class="prompt-instruction-command">{openInNewPaneKey}</span>
     <span>to open in a new pane</span>
   </div>
+
+  <div class="prompt-instruction">
+    <span class="prompt-instruction-command">alt o</span>
+    <span>to open in the background</span>
+  </div>
+
   <div class="prompt-instruction">
     <span class="prompt-instruction-command">{createInCurrentPaneKey}</span>
     <span>to create</span>
@@ -349,7 +363,7 @@
     <span>to insert a link</span>
   </div>
   <div class="prompt-instruction">
-    <span class="prompt-instruction-command">ctrl+h</span>
+    <span class="prompt-instruction-command">ctrl h</span>
     <span>to toggle excerpts</span>
   </div>
   <div class="prompt-instruction">
diff --git a/src/components/modals.ts b/src/components/modals.ts
index 238114f..032b6e8 100644
--- a/src/components/modals.ts
+++ b/src/components/modals.ts
@@ -2,7 +2,7 @@ import { App, Modal, TFile } from 'obsidian'
 import type { Modifier } from 'obsidian'
 import ModalVault from './ModalVault.svelte'
 import ModalInFile from './ModalInFile.svelte'
-import { eventBus, EventNames, isInputComposition } from '../globals'
+import { Action, eventBus, EventNames, isInputComposition } from '../globals'
 import { settings } from '../settings'
 
 abstract class OmnisearchModal extends Modal {
@@ -24,11 +24,11 @@ abstract class OmnisearchModal extends Modal {
 
     this.scope.register([], 'ArrowDown', e => {
       e.preventDefault()
-      eventBus.emit('arrow-down')
+      eventBus.emit(Action.ArrowDown)
     })
     this.scope.register([], 'ArrowUp', e => {
       e.preventDefault()
-      eventBus.emit('arrow-up')
+      eventBus.emit(Action.ArrowUp)
     })
 
     // Ctrl+j/k
@@ -82,23 +82,23 @@ abstract class OmnisearchModal extends Modal {
     // Open in new pane
     this.scope.register(openInNewPaneKey, 'Enter', e => {
       e.preventDefault()
-      eventBus.emit('open-in-new-pane')
+      eventBus.emit(Action.OpenInNewPane)
     })
 
     // Insert link
     this.scope.register(['Alt'], 'Enter', e => {
       e.preventDefault()
-      eventBus.emit('insert-link')
+      eventBus.emit(Action.InsertLink)
     })
 
     // Create a new note
     this.scope.register(createInCurrentPaneKey, 'Enter', e => {
       e.preventDefault()
-      eventBus.emit('create-note')
+      eventBus.emit(Action.CreateNote)
     })
     this.scope.register(createInNewPaneKey, 'Enter', e => {
       e.preventDefault()
-      eventBus.emit('create-note', { newLeaf: true })
+      eventBus.emit(Action.CreateNote, { newLeaf: true })
     })
 
     // Open in current pane
@@ -106,23 +106,32 @@ abstract class OmnisearchModal extends Modal {
       if (!isInputComposition()) {
         // Check if the user is still typing
         e.preventDefault()
-        eventBus.emit('enter')
+        eventBus.emit(Action.Enter)
+      }
+    })
+
+    // Open in background
+    this.scope.register(['Alt'], 'O', e => {
+      if (!isInputComposition()) {
+        // Check if the user is still typing
+        e.preventDefault()
+        eventBus.emit(Action.OpenInBackground)
       }
     })
 
     this.scope.register([], 'Tab', e => {
       e.preventDefault()
-      eventBus.emit('tab') // Switch context
+      eventBus.emit(Action.Tab) // Switch context
     })
 
     // Search history
     this.scope.register(['Alt'], 'ArrowDown', e => {
       e.preventDefault()
-      eventBus.emit('next-search-history')
+      eventBus.emit(Action.NextSearchHistory)
     })
     this.scope.register(['Alt'], 'ArrowUp', e => {
       e.preventDefault()
-      eventBus.emit('prev-search-history')
+      eventBus.emit(Action.PrevSearchHistory)
     })
 
     // Context
diff --git a/src/globals.ts b/src/globals.ts
index 7f977a5..e3b0cb8 100644
--- a/src/globals.ts
+++ b/src/globals.ts
@@ -32,6 +32,19 @@ export const enum IndexingStepType {
   WritingCache,
 }
 
+export const enum Action {
+  Enter = 'enter',
+  OpenInBackground = 'open-in-background',
+  CreateNote = 'create-note',
+  OpenInNewPane = 'open-in-new-pane',
+  InsertLink = 'insert-link',
+  Tab = 'tab',
+  ArrowUp = 'arrow-up',
+  ArrowDown = 'arrow-down',
+  PrevSearchHistory = 'prev-search-history',
+  NextSearchHistory = 'next-search-history',
+}
+
 export type DocumentRef = { path: string; mtime: number }
 
 export type IndexedDocument = {