Which of the following interfaces are invoked by the OS to flush all data belonging to a filesystem to a disk?

What does the VOP_INACTIVE interface do?

What does the v_vfsmountedhere field of a vnode indicate?

Which of the following commands prints out the kernel device tree?

Which of the following interfaces is used by the driver to signal the completion of an IO initiated by a strategy call?

The OS guarantees that a thread blocked on a cv via a cv_wait call does not wakeup prematurely and hence does not need to re-check for the reason for blocking.

What is the maximum number of registers available to a function at any time?

What are the names of the symbol file and the memory image files following a kernel dump?

Which of the following is the correct locking hierarchy for filesystems which implement the mmap interface?

Which of the following registers contains the thread pointer of the thread that is currently being run?

Why should floating point operations be avoided in drivers?