Linux commands questions help

1.Find all files under the current directory which ends in '.dat' (just the .dat not the single quotes as well) and use -exec to create a listing of each file's inode number.

2. Find all files under the /tmp directory whose size is greater than 65 kilobytes and use -exec with an appropriate command to delete these files.

3. Search files in ~ and all subdirectories -- that contain the word 'hawk' (case sensitive) at the beginning OR end of a line only. Provide two lines of context before and after each word found. Extended Grep is your friend