1. Write a command to display a calendar for the whole year.
2. Create a command line that will display only those lines in the /etc/passwd file that do not contain the word "STUDENT", sorted in alphabetical order, and numbered.
3. Create a command line that will display all lines in the /etc/passwd file, sorted in numeric order by the third field (the field delimiter is the ":" character).
4. Create a command line that will display only line 312 of the /etc/passwd file.
5. Create a command line that will display only the day of the week and the year of the current system date.
6. Create a command line that will display only the number of users currently logged in.

please If you use any commands or techniques not discussed include a solution using commands in the text and a comprehensive explanation of why you prefer your solution.