Linux Commands. please solve quickly

8. sort records of etc/passwd by UID and save the result to passwd-sorted.txt 9. Write a one-line expression that write to the file number_of_users.txt the number of users with a UID between 1000 and 10000. 10. Create a non empty file, then change the access rights to read write user only, then with ACL give access to some user 11. Find out if cron is working and what doker services are running? (systemctl status - something like that) 12. first was to make a directory with name being date in iso format with accuracy in seconds