Quiz: your first commands and Linux components

Several correct answers

student ran two commands. What follows?

$ hostname
ubuntu
$ hostname web-01
hostname: you must be root to change the host name

• A The name web-01 is already taken by another machine.
• B After sudo hostname web-01 the next commands run as root.
• C student can read the machine name without sudo.
• D sudo hostname web-01 will change the name.