How can run skype in background?

The latest way to install skype is with snap. sudo snap install skype Reboot,it can be started automatically and run in background daemon way.We can enable or disable its automatical startup in setting menu.It runs when automatical startup disabled: sudo snap run skype But the command can't be run in background as a normal daemon. snap run skype & snap run skype 2>&1 Both of them can't make it run in background,how can run it in background then?