On a system using shadowed passwords, the most correct permissions for /etc/passwd are ___ and the most correct permissions for /etc/shadow are ___.
Which directory in /etc is used to keep a sample copy of files and directories for when a new user has a home directory created?
Which of the following lines is an example of a correct setting for the DISPLAY environment variable?
Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?