[Solved] Why does this command fail?curl -d name=John age=25 http://example.com — Ans: Data must be quoted when containing special characters | Linux CLI

Linux CLI - Networking Commands

Why does this command fail?

curl -d name=John age=25 http://example.com

AThe -d option requires -X GET

BThe URL is incorrect

CData must be quoted when containing special characters

Dcurl cannot send POST data

Step-by-Step Solution

Solution:

Step 1: Analyze the data argument
Without quotes, shell may misinterpret or split the data; quoting ensures correct data sending.
Step 2: Check other options
URL is valid, -d defaults to POST, and curl can send POST data.
Final Answer:
Data must be quoted when containing special characters -> Option C
Quick Check:
Quote POST data to avoid shell issues [OK]

Quick Trick: Always quote POST data with special characters [OK]

Common Mistakes:

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