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Possible Duplicate:
Magic numbers of the Linux reboot() system call
I was asked this question in an interview
When using the Linux-specific reboot()
system call to reboot the system, the
second argument, magic2, must be
specified as one of a set of magic
numbers (e.g., LINUX_REBOOT_MAGIC2).
What is the significance of these
numbers?
What is the correct answer to the above question?
The significance of the allowed set of magic2 numbers is that, when expressed in hexadecimal, they represent dates-of-birth (specifically, of Linus Torvalds and his three children).
This really lowers the bar on silly interview questions!