
"Undo-Disks" -> ROS doesn't write do the real harddisk Snapshot (in German this is called "Datenairbag")
Possibility to give every login an insulated environment much like VMware. Possibility to use RDP, Citrix, X-Windows client, Telnet or VNC as protocol/client. Possibility to split screen (Horizontal or Vertical) and use two sets of HID one associated to each split section (for computers connected to TV-set). Possibility to use two or more sets of keyboard, mouse and screen (Human Interface Device/HID) and associate a login to a certain set of HIDs.
Possibility to log in several times from the same terminal + some type of fast switching like XP. Possibility to log on remotely or locally via any interface (Serial, Parallel, USB, Firewire, Modem(Analog, Digital), Network).