basics of the Command Line Interface

Question 1

Terminal

Answer 1

something with a keyboard that you can sit down at, and work. The terminal is also an interface in which you can type and execute text-based commands. These things used to be one and the same! In this lesson, we’re talking about the second kind of terminal–the one you can open to talk to your computer in its own language.

Question 2

Console

Answer 2

hardware that you are interfacing with (such as a PC or game console)

Question 3

Shell

Answer 3

an application for running commands (bash, zsh, csh, sh)

Question 4

(Command Line) Interface

Answer 4

something that accepts commands and performs preprogrammed routines.

Question 5

Filesystem

Answer 5

collection of files and folders on your computer.

Question 6

List

Answer 6

$ ls

Question 7

Move

Answer 7

$ mv source destination

$ mv original_filename desired_filename

Question 8

Copy

Answer 8

$ cp source destination

Question 9

Make a file

Answer 9

$ touch new_filename

Question 10

Make a directory

Answer 10

$ mkdir new_directory_name

Question 11

Change Directory

Answer 11

$ cd directory_name

Question 12

Print Working Directory

Answer 12

$ pwd

Question 13

Romove

Answer 13

$ rm filename

Removes one or more files. ‘rm -i’ will require the user to confirm the removal of the file. Note: This command bypasses the “Trash” or “Recycling Bin”. Use with caution!

Question 14

Print File Contents

Answer 14

$ cat filename

Prints the contents of a file.

Question 15

Compare Files

Answer 15

$ diff file_one file_two

Compares files line by line.

Question 16

Date

Answer 16

$ date

Prints current date and time.