A.

cat /dblog/hotbackup-20-6-27.1og|grep - i error

B.

Is - It /dblog/hotbackup-20-6-27.1og|grep - i error

C.

tail - n 300 /var/hotbackup/hotbackup-20-6-27.1og|grep - i error

D.

select hotbackup-20-6-27.1og|grep - i error