Which of the following commands will send output from the program myapp to both
standard output (stdout) and the file file1.log?

A.
cat < myapp | cat > file1.log

B.
myapp 0>&1 | cat > file1.log

C.
myapp | cat > file1.log

D.
myapp | tee file1.log

E.
tee myapp file1.log