>
<p>Figure 1. Sector misaligned read (short)<br>
<img src="../res/f1.png" width="490" height="110" alt="">
</p>
<p>Figure 2. Sector misaligned read (long)<br>
<img src="../res/f2.png" width="490" height="140" alt="">
</p>
<p>Figure 3. Fully sector aligned read<br>
<img src="../res/f3.png" width="490" height="119" alt="">
</p>
<p>The file I/O buffer is a sector buffer to read/write a part of data on the sector. The sector buffer is either file private sector buffer on each file object or shared sector buffe