# plasmashell > Start and restart Plasma Desktop. > More information: . - Restart `plasmashell`: `systemctl restart --user plasma-plasmashell` - Restart `plasmashell` without systemd: `plasmashell --replace & disown` - Display [h]elp on command-line options: `plasmashell --help` - Display help, including Qt options: `plasmashell --help-all`