Q75,p3,j15. The unix command:

$vi file1 file2
A) edits file1 and stores the contents of file1 in file 2.
B)Both  files can be edited using ex command to travel between the files.
C) Both files can be edited using mv command to move between the files.
D)Edits file1 first, saves it and then edits file 2.

Answer B.