Managing File Permissions and Ownership

Question 1

What is the layout of a file / folder permission?

Answer 1

-(directory or not)—(user)—(group)—(other)

Question 2

What does the following command do?

chmod ugo+x filename / foldername

Answer 2

Gives the user, group, and other ownerships execute permission

Question 3

What does the following command do?

chmod ug-x, o+rwx filename / foldername

Answer 3

Removes execute permission from the user and group permissions.

Gives the other ownership read, write, execute permission

Question 4

What does the following command do?

sudo chown nick nick.txt

Answer 4

Changes the owner of nick.txt to nick

Question 5

What does the following command do?

sudo chown nick.nick nick do?

Answer 5

Changes the user nick and the group nick to be owners of the folder nick

Question 6

What does the following command do?

sudo chown .nick nick do?

Answer 6

Changes the group owner for folder nick to group nick

Question 7

What is the octal value of r?

Answer 7

4

Question 8

What is the octal value of w?

Answer 8

2

Question 9

What is the octal value of x?

Answer 9

1