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Exam LX0-103 topic 3 question 34 discussion

Actual exam question from CompTIA's LX0-103
Question #: 34
Topic #: 3
[All LX0-103 Questions]

Which of the following shell redirections will write standard output and standard error output to a file named filename?

  • A. 2>&1 >filename
  • B. >filename 2>&1
  • C. 1>&2>filename
  • D. >>filename
  • E. 1&2>filename
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Suggested Answer: B 🗳️

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linux_admin
2 years, 2 months ago
Here's a breakdown of what each part of the command does: >filename redirects the standard output (file descriptor 1) to the file filename. Any output that would normally be displayed in the terminal will be written to the file instead. 2>&1 redirects the standard error output (file descriptor 2) to the same place as the standard output (file descriptor 1). This means that any error messages or other output that would normally go to the terminal will also be written to the file filename. So, the overall effect of the command is to write both standard output and standard error output to the file filename.
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