Which operating system?

PASTE THIS CODE ON YOUR SITE

<a href="https://developerslife.tech/en/wp-content/uploads/2015/11/tirinhaEN-152.png"><img src="https://developerslife.tech/en/wp-content/uploads/2015/11/tirinhaEN-152.png" alt="" title="" /></a><small>Source: <a href="https://developerslife.tech/en/">The Developer's Life</a></small>

Original: Qual sistema operacional?

Transcription ↓

real story; string sender; sender = "Robson Oliveira";
(Alonso talking to a partner)
Partner: Which operating system are you using?
Alonso: Which operating system? Wait a minute...
(Alonso turns to the Programmer)
Alonso: Which operating system am I using?
Programmer: PLOP!
--
T-shirt: I don't know, but it crashes