“The oregano is reputedly referring to an incident in which one of the original folks involved with BSD was hassled for coming across the Canadian/U.S. border with a bag of what was assumed to be an illegal substance, and turned out to be oregano.”
Gary Overacre drew it in 1986 and USENIX handed it out at conferences. Every object on it is a Unix joke. Thirty-five years later the artist’s family still has 65 originals in a drawer at $250 each. That is cheaper than most vendor swag that does nothing.