CSCI 4417 Linux Quiz 1: Linux System Basics - Prof. Robert A. Nielsen, Quizzes of Computer Science

Download CSCI 4417 Linux Quiz 1: Linux System Basics - Prof. Robert A. Nielsen and more Quizzes Computer Science in PDF only on Docsity! CSCI 4417, Linux Quiz 1 Steven Jenkins and Qing Yuan February 17, 2004 Overview 15 points total in 6 sections: you must answer at 2 questions from each section, and 3 additional questions for a total of 15. Note that each section has 4 questions, and there are a few required questions – you must answer those. 1 Booting and Shutting Down 1. What is a boot loader? 2. Name two boot loaders: 1. 2. 3. Name the config file used to determine the runlevel of a Linux system. 4. List two ways to safely shut down a Linux system: 1. 2. 2 Rootly Powers 5. What is the name and numeric id of the superuser account on Linux? Name ID 6. What is the command used to become a different user? 1 7. Name a tool used to become a different user, but only for limited tasks. 8. Name two things that are wrong with using a password like admin: 1. 2. 3 Controlling processes 9. What is a PPID? 10. What is the difference between a UID and EUID? Explain why there isn’t simply one UID per process. 11. What command is used to stop a process? 12. Name two commands used to list processes: 1. 2. 4 Filesystem 13. Required After inserting a floppy, Zip disk, or CD into a computer, what must be done before accessing files on that disk? 14. Name four different types of files. 1. 2. 3. 4. 15. Show a command to change the permissions on the file /tmp/example to where only the owner can read, write, and execute that file. 16. Show a command to change the ownership of /tmp/example to the user student1. Page 2