Multiple choice technology operating systems

5 What is /dev/full device in Linux?

  1. 1 A device file to represent that the current file system is full

  2. 2 A device file to test scenarios of testing a /dev/full

  3. 3 Invalid device

  4. 4 None

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

/dev/full is a special device file that always returns ENOSPC (no space left on device) error when written to, simulating a full disk. It is used for testing how programs handle disk-full scenarios. While option B is circular in wording, it correctly identifies this as a testing device.