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Adding Users and Groups Review Questions
The following questions are based on the PDF presentation you received on “Adding Users and Groups”. The presentation was written specifically for Solaris Operating System. Note that Solaris Operating System is a closed version of UNIX supplied by Sun Micro Systems. However much of the commands, file arrangement and contents are standard for other UNIX Operating Systems. This is also true for most Linux Operating Systems. As such this document proves to be a useful guide to system
administrators of any distribution of UNIX/Linux Operating System.
Please ignore all reference to “admintool”. Admintool is a graphical user interface software that comes with the Solaris Operating System. It is not a part of any Linux distribution.
Please answer all questions. These questions carry a weighting of five (5%) percent.
Note that class work and assignment carry a total of twenty (20%) percent of the final grade. The five (5%) percent mentioned here is in addition to the twenty (20%). Therefore assignment plus this project carry a total of twenty five (25%) percent of your total score. Mid Module carries a weight of thirty (30%) and Final exam carries a weight of forty five (45%) percent.
Class: UNIX/Linux Administration
Instructor: Lloyd J Brown
Instructor email: lbrown@faculty.vti.edu.jm
Due date: January 8, 2015
1. What three files are used in creating user accounts on a UNIX/Linux system? [3 Marks]
/etc/passwd, /etc/shadow,/etc/group
2. In the /etc/passwd file the last field indicates what about the user? [1 Mark]
Indicates the users login shell.
3. What does the x in the /etc/passwd file mean? [1 Mark]
Password place holder
4. What is the default user ID of a superuser account? [1 Mark]
0
5. What is the purpose of the nobody account? [1 Mark]
The nobody account is used to securing NTS resources.
6. What is the /etc/shadow file? [1 Mark]
Stores password information for all users
7. Why...