To answer this question, let's go through each option:
Option A) True - This option is incorrect because the command "cp filename1 filename2" does not copy a file. In fact, it is used to rename a file. It renames the file "filename1" to "filename2" in the same directory.
Option B) False - This option is correct because the command "cp filename1 filename2" does not copy a file. It is used to rename a file.
The correct answer is B) False.