Users routinely copy documents to their laptops, edit the files from the road, and save the changes centrally when they get back to the office.

Unfortunately, it is all too easy to lose files, overwrite changes, or forget which version is the most recent. Windows provides an offline file storage option to address this problem, and several alternative tools are also available (see the "Similar Approaches" box).

Now a new project brings the offline storage option to Linux: OFS, the offline filesystem [1]. (Because it began at the Georg-Simon-Ohm University in Nuremberg, Germany, OFS also stands for Ohm Filesystem.)

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