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Unit 2 Assignment Nt1430

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Unit 2 Assignment NAME
NT1430 DATE

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 its contents.
13. What is the difference between a hard link and a symbolic link? A hard link is a direct pointer to the original file. A symbolic link is an indirect pointer to a file.

14. What is a mount point? A directory (typically an empty one) in the currently accessible file system on which an additional file system is mounted (i.e., logically attached).
15. Define the following directories.
/home – working /current directory

/lib – shared libraries

/mnt – mount point for temporarily mounting filesystems

/bin – Essential command binaries; holds the files needed to bring the system up and run it when it first comes up in single-user mode.

/boot –Static files of the boot loader; contains all the files needed to boot the system.

/dev – Device files; contains all files that represent peripheral devices, such as disk drives, terminals and printers.]

/etc[–Machine-local configuration files; holds administrative, configuration and other system files.

/sbin – Essential system binaries; where the utilities used for system administration are stored. It also includes utilities needed during the booting process.

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