schedulting commands

Question 1

what does the at daemond (atd) do?

Answer 1

allows you to schedule a command that will only happen once in the future

Question 2

what does the cron command do?

Answer 2

allows you schedule a command that happens repeatably

Question 3

true or false | if the /etc/at.allow and the /etc/at.deny do not exist all users are allowed to schedule tasking using the at daemon?

Answer 3

FALSE only the root user can do it

Question 4

how do you allow users to use the at daemon?

Answer 4

by makeing the /etc/at.allow and add the users that you want to be allow to do it

Question 5

how do you deny users to use the at daemon and what does denying cause?

Answer 5

by adding them to the /etc/at.deny

it causes all users not in /etc.at,deny to be allowed to use the at daemon

Question 6

what happens if both /etc/at.deny and /etc/at.deny exist

Answer 6

only /etc/at.allow is used

Question 7

true or false | on fedora only the /etc/at.deny is left on default which allows all users to use the at daemon?

Answer 7

true

Question 8

true or false on ubuntu systems only the /etc/at.deny exist but list daemon users accounts in which allows only the root user to use at daemons

Answer 8

FALSE while the /etc/at.deny exists by default and does have daemon users listed in it . IT DOES NOT only make the root user be able to use the at daemon but other regular users as well