I guess you have to be a bit of a nerd to find this funny.
"I need a woman (obviously) who is willing to raise a child with me in the method of Unix."
The slashdot take on this wanted ad was:
ohtani@darkstar:~$ man woman
Segmentation fault (core dumped)
Content updated 04 August 2017.
This server is able to calculate 40.3 pages like this per second.
No computers were harmed in the making of this page.