Title text: He sees you when you're sleeping, he knows when you're awake, he's copied on /var/spool/mail/root, so be good for goodness' sake.
This comic, fittingly posted on Christmas Eve in the United States. Christmas being a Christian holiday celebrating the birth of Christ on December 25th.
In this comic, Cueball is on a Linux computer and tried to change his user account from his normal access to the access of a super user by using the command "sudo su". Sudo is a famous phrase in xkcd lore, made famous by comic 149: Sandwich. When Cueball is unable to use "sudo" because his account is not authorized, the system says that the incident "will be reported".
In the comic, sudo and the system report the incidents to Santa Claus, who in Christmas lore makes a list of who is naughty and who is nice. If you are nice, you get presents, if you are naughy, you get a lump of coal. When sudo reports to Santa that Cueball's account is not authorized, he puts Cueball on the naughty list.
In the image text, which is a parody of the famous Christmas song, "Santa Claus Is Coming To Town", /var/spool/mail/root is the root/superuser Inbox on a Linux system.
- [Someone is sitting at a computer. The computer's prompt is shown.]
- [email protected]~$ sudo su
- robm is not in the sudoers file. This incident will be reported.
- [email protected]~$
- [A second person approaches.]
- Person: Hey -- who does sudo report these "incidents" to?
- Second person: You know, I've never checked.
- [Santa Claus is sitting at a desk supported by candy canes, with a red monitor. On the wall are two lists labeled 'naughty' and 'nice'. He is adding a name to the 'naughty' list.]
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