Such web applications must, for security reasons, have limited control over the host computer, especially regarding reading and writing files.

Hard disks slow down over time because of the way the computer write files on them.

To get through it all she writes files on her computer, which acts as a sort of diary.

A legitimate renderer never needs to write files.

Apps can then read and even write files back to the SD card wirelessly.

For example, it can prevent clients from writing files to a USB flash drive.

Use a simpler format for writing files.

But it's unable to write files to your PC.

These differences differ radically from one drive to another; some drives could write small files at over 10% of the speed for large ones.

Small 2 KB disc block size wastes less space when writing small files.