[Solved] What does the command echo "Hello" > file.txt do in Linux? — Ans: It writes "Hello" to file.txt, replacing any existing content. | Linux CLI

Linux CLI - Pipes and Redirection

What does the command echo "Hello" > file.txt do in Linux?

AIt writes "Hello" to file.txt, replacing any existing content.

BIt adds "Hello" to the end of file.txt without removing existing content.

CIt displays "Hello" on the screen without saving to a file.

DIt deletes file.txt if it exists.

Step-by-Step Solution

Solution:

Step 1: Understand the > operator
The > operator redirects output to a file, replacing its content.
Step 2: Analyze the command effect
echo "Hello" outputs "Hello" and > saves it to file.txt, overwriting old content.
Final Answer:
It writes "Hello" to file.txt, replacing any existing content. -> Option A
Quick Check:
> means overwrite file [OK]

Quick Trick: Use > to overwrite file content, >> to append [OK]

Common Mistakes:

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