Resolved Cloud storage and syncing

Most of the cloud storage solutions, which offer FREE storage, like Adrive, Windows Live (and even Mesh) provide for synching data between different devices/computers. What I am looking for is a solution which is FREE and which will sync between my computer and the cloud storage. That is, any changes I make to files and folders ( to include modifications and deletions and additions) should be reflected in the cloud storage as well. The syncronisation need not even be online. It will be sufficient if the changes get reflected in the cloud, when I upload the same folder/file to the cloud next time.

Shall be deeply grateful for your guidance in the matter.

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