Command Line

Question 1

What is a CLI?

Answer 1

Command Line Interface

processes commands to a computer in the form of lines of text

Question 2

What is a GUI?

Answer 2

Graphical User Interface

allows users to interact with electronic devices through graphical icons and audio indicator

Question 3

man

Answer 3

manual

man [command] to find out more info

Question 4

cat

Answer 4

concatenate files and print

Question 5

ls

Answer 5

list directory

Question 6

pwd

Answer 6

print current/working directory

Question 7

echo

Answer 7

print a line of text

echo “hello”

Question 8

touch

Answer 8

change file timestamps

can also create files if it does not already exist

Question 9

mkdir

Answer 9

make directory

-p flag: parents; make parent directories as needed

Question 10

mv

Answer 10

move/rename files

mv fileName newFileName (rename)

mv fileName newDirectory (move)

Question 11

rm

Answer 11

remove files/directories

-r: recursive (remove directories/contents recursively)

Question 12

cp

Answer 12

copy files/directories

-r: recursive

cp file newFile (copy)

cp file directory (copy + paste into new directory)