Share the screenshots of linux command line for the above questions

2.3 Setting sticky bit on world-writeable directories - Create a sub-directory world_writable_dir on your student's home directory. - Use chmod 777 to make that directory become world-writeable. Verify that the command finds exactly the directory you have created. - Turn the sticky bit of that directory on using chmod +t, and run the audit command above again to make sure it is now fixed. 2.4 Auditing unauthorized world-writeable files - Create few world-writeable scripts in few places under /home/student. - Use the command f ind to search for these files. - Verify if it can find the files you have just created. 2.5 Auditing unauthorized SUID/SGID system executables - Copy some SUID/SGID system executables to few places under /home - Use the command f ind to search for these files - Verify if it can find the files you have just created 2.6 Auditing unowned files - Create some unowned files under /home - Use the command find to search for these files - Check if it can find the files and then delete them 2.7 Auditing: Others - Check home directory permissions for each user, make sure it is not set to world-writeable. - Check the UID of all users, make sure the UID values are not 0. Hint the list of all users and their UID values are stored in /etc/passwd. You may use the command cut to select relevant fields for this task. - Examine the current umask value? Explain how it influence the default permissions of new files and directories. Create a new file and a new directory, and examine their default permissions. Are they as you expected? Next, set the system-wide default umask value to 007 by editing the relevant line in the file /etc/login. def s. Verify its effectiveness. Finally, explain how you would permanently set the default umask value 077 for user student