Can you redirect both stdout and stderr to the same file?

QuestionsQuestions8 SkillsProData Stream RedirectionSep, 05 2025
0150

Yes, you can redirect both stdout and stderr to the same file. In a shell, you can achieve this using the following syntax:

command > output.txt 2>&1

Here's what this does:

  • command is the command you want to run.
  • > output.txt redirects stdout to output.txt.
  • 2>&1 redirects stderr (file descriptor 2) to the same location as stdout (file descriptor 1).

As a result, both standard output and standard error messages will be written to output.txt.

For example:

ls existing_file.txt non_existing_file.txt > output.txt 2>&1

In this example, the output of the ls command (both the success message for existing_file.txt and the error message for non_existing_file.txt) will be captured in output.txt.

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