1. What is the utility that can be used to copy a file, including text and executable program (binary) files? cp 2. Which of the following Linux utilities lists the names of files in a single directory? ls 3. What command displays the last 10 lines of a file? -tail
What command displays the first 10 lines of a file? -head

4. What is a Process? What Utility provides communication between processes where output of one process provide input for another?
1.) A process is the execution of a command by Linux. They have the ability to communicate with eachother. 2.) | (Pipe)

5. Which of the following utilities do you use to determine the list of users logged on to a specific terminal? who command

6. What does the command pwd do? What does the cd command do?
1.) Prints the working directory. 2.) Changes from the current directory to another working directory.

7. In terms of file or directory permissions, what does U-G-O stand for? What are the 3 permission that can be given to a file or directory?
1.) User: owner of the file, Group: changes group permissions, Other: anyone who isn’t an owner of a file or in a group. 2.) read, write, execute

8. In terms of permissions, what does 777 mean?
It means everyone has permission to read, write and execute a file.

9. What does the command chmod do? What happens when I use it with the following? chmod 755 myfile
1.) It modifies the access permission on the file. It lets you tell the system how much (or little) access it should permit to a file. 2.) Owner can read, write and execute a file; group and others can read and execute file.

10. If I needed to change a user’s username from kcarter to kparker, what command would I use? usermod 11. What does grep do?
Used to search text for patterns specified by the user.

12. What does mkdir do? What does rmdir do?
1.) Creates a new directory. 2.) Removes a directory and...
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