[#vz4] Align example in instructions with tester ouput

[andy1li]

Summary by CodeRabbit

• Documentation
  • Updated the example output for the ls command when listing a nonexistent file with error redirection, reflecting a revised error message format.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

The change updates the expected error message output for the ls command in a course definition file, replacing the longer form of the error with a shorter version in an example demonstrating standard error redirection. No other commands, outputs, or public entities are altered.

Changes

File(s)	Change Summary
course-definition.yml	Updated ls command error message in stderr redirection example.

Poem

A bunny hopped to check a file,
But "nonexistent" made it pause awhile.
The error’s now shorter, crisp and neat—
“ls: nonexistent” is all you’ll meet.
With stderr redirected, the message is clear,
Learning commands brings cheer!
🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 4cb541e and 92961a5.

📒 Files selected for processing (1)

• course-definition.yml (1 hunks)

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