[Solved] Why is stdin redirection (<) preferred over passing a filename as an argument for some commands? — Ans: Because it allows commands to read input from any source, not just files | Linux CLI

Linux CLI - Pipes and Redirection

Why is stdin redirection (<) preferred over passing a filename as an argument for some commands?

ABecause it allows commands to read input from any source, not just files

BBecause it always runs commands faster

CBecause it prevents commands from writing output

DBecause it automatically creates the input file if missing

Step-by-Step Solution

Solution:

Step 1: Understand stdin redirection flexibility
Using < lets commands read input from files or other sources like pipes, not just filenames.
Step 2: Compare with passing filename as argument
Passing filename as argument limits input to that file; < allows more flexible input handling.
Final Answer:
Because it allows commands to read input from any source, not just files -> Option A
Quick Check:
stdin redirection increases input flexibility [OK]

Quick Trick: Use < to flexibly feed input from files or other sources [OK]

Common Mistakes:

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Why is stdin redirection (<) preferred over passing a filename as an argument for some commands?