Practice Quiz

LPI Certification / CompTIA Linux+ Practice Test

Category - LINUX

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Which of the following file descriptors displays text on the screen after the command has finished processing?
  1. stdin
  2. stderr
  3. stdscreen
  4. stdoutput
Explanation
Answer - B - Stderr is the file descriptor that displays text on the screen after the command has finished processing.

Key Takeaway: Linux has three streams opened when it starts up. They include one for input, one for output, and one for printing diagnostic or error messages. The input stream is referred to as standard input, the output stream is referred to as standard output, and the error stream is referred to as standard error.
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