Related:

• 0399 Have you ever found an operating system bug? 0400 .
  .. Did you exploit it? 0401 ... Did you report it? 0402 ....
• 0038 Do you know maxint on your system? -- from THE HACKER TEST
• 0162 Ever speed up a system by removing a jumper? -- from THE HACKER TEST
• 0484 Can you distinguish between sections 4 and 5 of the Unix manual? -- from THE HACKER TEST
• Have you ever written 0444 ... a compiler? 0445 ...
  an operating system? 0446 ... a device driver? 0447 ....
• IOS: Ignore Operating System
• Never trust an operating system.
• ROS: Reject Operating System
• There's no bug in this program. It's the operating system!!