The Cloud Computingis the Most Efficient Technology That Reduces the Time, Cost and Resources Whichare Used By It Companies of any Size from Small to Large Companies. There Aremany Cloud Approaches Existing Nowadays Related to Store the Data Files Andsynchronize File Versions. However, Few of These Cloud Models Let the User Openor Configure the File on Cloud. Therefore, Our New Cloud Model Proposed In Thispaper Concentrate to Let the User Open, Execute, Configure, Edit, Delete, Andupdate His Files Online, on the Cloud. It Gives the User All the Operatingsystems Features and Virtual Desktop Icons on the Cloud. In Addition, Theproposed Cloud Operating System Offers Variety of Selected Applications Thatallow the Users to Write Documents, Draw Graphs, and Compile Classes Andprograms. With the Increasinguse of High-Speed Internet Technologies During the Past Few Years, the Conceptof Cloud Computing Has Become More Popular. Especially In This Economy, Cloudservices Can Provide Speed, Efficiencies and Cost Savings. In Cloud Computing,Users Work With Web-Based, Rather Than Local, Storage and Software. Theseapplications Are Accessible Via a Browser and Look and Act Like Desktopprograms. With This Approach, Users Can Work With Their Applications Frommultiple Computers. In Addition, Organizations Can More Easily Controlcorporate Data and Reduce Malware Infections. Now, a Growing Number Oforganizations Are Adding to the Cloud Concept By Releasing Commercial and Opensource Web-Based Opera ...