need help with this linux command questions please just need the commands to get the output for the following Questions please and thank you

PART-F: POSTFIX-EMAIL CONTROL 21. In VM1, redirect all emails to johnnnnn to your local username using aliases file 22. In VM2, redirect all emails to smithnnnn to your local username using aliases file 23. In VM2, redirect email to nancynnnn to your VM1 and VM2 usernames using virtual file. 24. In VM2, use canonical to redirect email sent to janennnn to your VM1 username 25. In your VM1 email account block all emails from franknnnn. SCREENSHOTS: In VM1 a)display the configuration for redirection done in respective files b) ls -1 /etc/*.db c) ls -1 /etc/postfix/*.db c) Display emal received by you, johnnnnn and nancynnnn d)Display the rejection of email from maillog In VM2 e) display the configuration for redirection done in respective files t) ls -1 /etc/*.db g) Is - /etc/postfix/*.db h) Display email received by you, smithnnnn, franknnnn and janennnn. i) Display the rejection of email from mail log