You want to run a script that outputs normal messages to output.log and error messages to error.log. Which command correctly achieves this?

hard🚀 Application Q15 of 15

Bash Scripting - File Operations in Scripts

You want to run a script that outputs normal messages to output.log and error messages to error.log. Which command correctly achieves this?

A./script.sh > output.log 2> error.log

B./script.sh 2>&1 > output.log error.log

C./script.sh > output.log 2>&1 error.log

D./script.sh > output.log &> error.log

Step-by-Step Solution

Solution:

Step 1: Understand separate redirection for output and error
To send stdout and stderr to different files, use > for stdout and 2> for stderr separately.
Step 2: Analyze each option
./script.sh > output.log 2> error.log correctly redirects stdout to output.log and stderr to error.log. Others mix or misuse redirection syntax.
Final Answer:
./script.sh > output.log 2> error.log -> Option A
Quick Check:
Separate > and 2> for output and error [OK]

Quick Trick: Use > for output, 2> for errors to separate files [OK]

Common Mistakes:

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