[Courses] mounting floppy

[Mag Mu]

Hello!

After mounting my floppy, I wrote a test file.  Now I
cannot umount /mymount/ even after removing the file. 
Also, nothing was actually written to the physical
disk.  

So, 2 questions:
1.  When is data actually written to the physical
disk?

2.  How do I unmount the floppy?

Thanks!!

Here is a transcript of what I did:
[root at localhost mymount]# mount -t vfat /dev/fd0
/mymount/

[root at localhost mymount]# vi test

[root at localhost mymount]# ls
test

[root at localhost mymount]# umount /mymount/
umount: /mymount: device is busy

[root at localhost mymount]# rm test
rm: remove regular file `test'? y

[root at localhost mymount]# ls -l
total 0

[root at localhost mymount]# umount /mymount
umount: /mymount: device is busy

[root at localhost mymount]# ls -l
total 0




		
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