Which command chain will count the number of regular files with the name of foo.txt within /home?
A.
ls -lR /home | grep foo.txt | wc -l
B.
find /home -type f -name foo.txt | wc -l
C.
find /home -name foo.txt -count
D.
find /home -name foo.txt | wc -l
E.
grep -R foo.txt /home | wc -l