Create, delete and clean up volatile and temporary files and directories. This command is automatically invoked on boot by systemd services, and running it manually is usually not needed. More information: https://www.freedesktop.org/software/systemd/man/systemd-tmpfiles.html.
systemd-tmpfiles --create
systemd-tmpfiles --clean
systemd-tmpfiles --remove
systemd-tmpfiles --create --user
systemd-tmpfiles --create --boot