Thank you so much for your replies, I can see how its working now. I formatted the pen drive on a windows xp machine because when I did it on my windows 8 laptop, the values in the boot sector where very unpredictable. I used my windows 8 laptop to write the text files to the drive. I can see now that the next unallocated cluster is used. What I don't really know is what determines this, is it the fat32 pen drive or my windows 8 operating system ?
Also I do not know what the first three entries in the fat table are on my pen drive
the first entry is 0x0ffffff8)
the second and third entries are end of file markers (0x0fffffff)
The fourth entry appears when a text file is copied and is also an end of file marker.
This is unusual I know because Its different to all the text books I've been reading.
The only thing I know from the above is that the fourth entry corresponds to the second cluster of the data area because it only appears after I copy a text file to the drive.
Anyone know what the first three entries might correspond to, there is only one text file on the drive taking up one cluster at cluster two of the data area ?
Thank you for your help on my previous question, I will look at your suggestions and try that second test once I get all my assignment work done, back to college Monday after Easter and have loads of assignments due.
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