diff --git a/simulatore.html b/simulatore.html
index babad7e..0b8e90c 100644
--- a/simulatore.html
+++ b/simulatore.html
@@ -3415,6 +3415,24 @@ $ rm /mnt/verifica.txt
       if((mdOp==="--stop-rebuild"&&mdArray==="/dev/md0")||(t[1]==="--stop-rebuild"&&t[2]==="/dev/md0")){if(!state.rebuild.active)return termPrint("mdadm: nessun rebuild attivo.","warn");stopRebuild(false);termPrint("mdadm: rebuild interrotto (didattica).","warn");if(state.scenario.name==="rebuild_interrupted"&&!state.scenario.checkpoints.stopped){state.scenario.checkpoints.stopped=true;addScore(6,"(scenario) rebuild interrotto.");}render();scenarioCheck();return;}
       return termPrint("mdadm: opzione non supportata. Digita 'help'.","err");
     }
+    if(c0==="unplug"){
+      const dev=t[1];
+      if(!dev){
+        return termPrint("unplug: specifica il disco spare da rimuovere (simulazione). Esempio: unplug /dev/sdX","err");
+      }
+      const spareIndex=state.spares.findIndex(d=>d.dev===dev);
+      if(spareIndex===-1){
+        return termPrint(`unplug: ${dev} non è uno spare o non esiste.`,`err`);
+      }
+      const spare=state.spares[spareIndex];
+      spare.state=DiskState.REMOVED;
+      state.spares.splice(spareIndex,1);
+      pushDmesg("warn",`${dev}: unplugged dallo spare`);
+      termPrint(`unplug: ${dev} rimosso.`,`ok`);
+      render();
+      scenarioCheck();
+      return;
+    }
     if(c0==="lsblk"){termPrint(lsblk(),"dim");scenarioActionDiag();render();scenarioCheck();return;}
     if(c0==="fdisk"&&t[1]==="-l"){termPrint(fdiskL(),"dim");scenarioActionDiag();render();scenarioCheck();return;}
     if(c0==="blkid"){termPrint(blkid(),"dim");scenarioActionDiag();render();scenarioCheck();return;}