$ sbx stop m101-demo
Sandbox 'm101-demo' stopped; state preserved. Restart with: sbx run --name m101-demo
[exit 0]

$ sbx prune --force
Deleting sandbox m101-demo...
Sandbox 'm101-demo' removed
Deleting sandbox m101-demo-2...
Sandbox 'm101-demo-2' removed
[exit 0]

$ sbx ls --json
{
  "sandboxes": []
}
[exit 0]