ACLS

Question 1

what is an acl?

Answer 1

The section within an inode of a file or directory that lists the permissions assigned to users and groups on the file or directory.

Question 2

what does the setfac1 command do?

Answer 2

Used to modify ACL entries for Linux files and directories.

Question 3

what option is needed for the setfac1 command to modifier the ACL?

Answer 3

-m

Question 4

what does the getfac1 command do?

Answer 4

Used to list all ACL entries for Linux files and directories.

Question 5

what does the + repesent at the end of mode?

Answer 5

that there are additional entries in the acl for this file

Question 6

True or false | you can remove all extra acl assignments on a file using the -s option?

Answer 6

False | everything is true BUT the option is -b instead of -s

Question 7

Q: What happens if a user has more permissions than the mask allows?

Answer 7

A: The mask takes precedence, and the user’s permissions are reduced to match the mask.

Question 8

Q: What does the setfacl command do regarding the mask?

Answer 8

A: It sets the mask to the least restrictive permission assigned so it doesn’t limit other ACL entries unintentionally.