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LPI

117-201 · Question #241

How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)

The correct answer is C. sysctl kernel.shmmax=2147483648 D. echo 2147483648 > /proc/sys/kernel/shmmax. See the full explanation below for the reasoning.

Question

How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)

Options

  • AEdit /etc/shmmax and set the parameter to 2147483648.
  • Bsysctl shmmax=2147483648
  • Csysctl kernel.shmmax=2147483648
  • Decho 2147483648 > /proc/sys/kernel/shmmax
  • Eexport kernel.shmmax=2147483648

How the community answered

(28 responses)
  • A
    4% (1)
  • B
    4% (1)
  • C
    86% (24)
  • E
    7% (2)

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