[Solved] Why is it important to use 2> or 2>> instead of just > when redirecting error messages? — Ans: Because 2> and 2>> specifically redirect standard error, while > redirects... | Linux CLI

Linux CLI - Pipes and Redirection

Why is it important to use 2> or 2>> instead of just > when redirecting error messages?

ABecause 2> and 2>> specifically redirect standard error, while > redirects standard output

BBecause > redirects both output and errors by default

CBecause 2> redirects standard output and 2>> redirects errors

DBecause > is deprecated for error redirection

Step-by-Step Solution

Solution:

Step 1: Understand file descriptors
File descriptor 1 is standard output, 2 is standard error.
Step 2: Differentiate redirection operators
'>' redirects stdout (fd 1), '2>' redirects stderr (fd 2).
Final Answer:
2> and 2>> redirect errors; > redirects output -> Option A
Quick Check:
2> targets errors, > targets output = C [OK]

Quick Trick: 2> redirects errors; > redirects normal output [OK]

Common Mistakes:

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Why is it important to use 2> or 2>> instead of just > when redirecting error messages?