1(1)  The directory ~sternfl/256F contains the file stuff.txt~sternfl/256F

cp  ~sternfl/256F/stuff.txt  ~


2(1)

cd h5

3(1) 6+3/12
     6+0
     6

4(1) 3%12
     3
5(1)

6/12.0
 0.5