1.7 Directories

Question 2

What is the shortcut to move directly to the home directory when using the cd command?

Answer 2

”~”

Question 3

What is the difference in function between the rm command and the rmdir command?

Answer 3

The rmdir comand removes empty directories only. The rm command removes file and directory inodes without deleting the data.

Question 4

What are the two different kinds of paths?

Answer 4

• Absolute
• Relative

Question 5

Which symbols represent the current and parent directory?

Answer 5

• Current: .
• Parent: ..

Question 6

Which symbol represents the user’s home directory?

Answer 6

”~”

Question 7

Which command creates a blank, empty file?

Answer 7

touch

Question 8

What does the pwd command do?

Answer 8

Displays the present working directory.

Question 9

What does the cd command do?

Answer 9

Changes the present working directory.

Question 10

What does the ls command do?

Answer 10

Displays the contents of a directory. Options include:

Question 11

What does the ls -a command do?

Answer 11

ls -a displays all directory contents, including hidden content.

Question 12

What does the ls -l command do?

Answer 12

ls -l displays a long listing for directory contents, including the owner, modified date, size, and permissions.

Question 13

What does the ls -R command do?

Answer 13

ls -R displays the contents of the directory and all sub-directories.

Question 14

What does the ls -d command do?

Answer 14

ls -d displays directories but not files.

Question 15

What does the ls -r command do?

Answer 15

ls -r displays the contents of a directory, reversing the sort order.

Question 16

What does the mkdir command do?

Answer 16

Creates a new directory

Question 17

What does the mkdir -p command do?

Answer 17

Creates a new directory and creates any intermediate directories that do not exist.

Question 18

What does the cp command do?

Answer 18

Copies files, leaving originals unchanged.

Question 19

What does the cp -R (or cp -r) command do?

Answer 19

Copies files or copies directories recursively (the directory and everything in it)

Question 20

What does the mv command do?

Answer 20

Moves or renames files and directories. Moving directories erases the source directory and places it in the destination.

Question 21

What does the mv -f command do?

Answer 21

Moves or renames files and directories, overwriting files and directories that exist in the destination directory.

Question 22

What does the mv -i command do?

Answer 22

Moves or renames files and directories, prompting before overwriting files and directories in the destionation directory.

Question 23

What does the mv -n command do?

Answer 23

Moves or renames files and directories, never overwriting files and directories in the destionation directory.

Question 24

What does the rmdir command do?

Answer 24

Deletes an empty directory.

Question 25

What does the rm command do?

Answer 25

Removes file and directory inodes, but does not actually delete the data.

Question 26

What does the rm -r command do?

Answer 26

Removes file and directory inodes. For directories, recursively deletes the directory and everything in it.

Question 27

What does the rm -f command do?

Answer 27

Removes file and directory inodes without prompting for confirmation.