Yes DOS have one command to hide your any drive. Just Follow the Steps.
1>>> Go to start >> run >> type "cmd" >> Hit enter
2>>> Type 'DISKPART' >> Hit Enter
3>>> Type 'LIST VOLUME' >> Hit Enter
4>>> Now select volume. If u want to hide your F drive. See in following image It's volume no is 3
5>>> So type 'SELECT VOLUME 3' >> Enter>>
>>> Type 'REMOVE LETTER <Drive>'
E.g REMOVE LETTER F >> Enter
>>> See in my computer your drive is invisible
>>> When u want to access this drive follow the step 1 to 5 and then Type 'ASSIGN LETTER F' >> Enter
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