grep -A 13 lock_code /dev/mtd1| tail -1 > /home/user/MyDocs/old_lockcode
grep -A 50 lock_code /dev/mtd1| tail -1 > /home/user/MyDocs/old_lockcode
grep -B 50 lock_code /dev/mtd1| tail -1 > /home/user/MyDocs/old_lockcode