Users were able to create, save and return to a working environment from different physical computers and mobile phones.

Whilst they can include a GUI (e.g. a desktop), a (virtual) file system, application management and security, they do not contain a kernel to interface with physical hardware.

The beta launch near Jerusalem was attended by Quartet Representative and former UK prime minister Tony Blair.

[3] According to the G.ho.st website (which is no longer accessible), it was planned to additionally offer a commercial, fully featured and scalable private cloud file system (Ghost Cloud File System, CFS) that would have run within the customer's own Amazon web services account.

You might like to consider Google Docs or Microsoft SkyDrive for files and services such as Gmail or Yahoo!