[Solved] You run ls -lh but get an error: "ls: invalid option -- 'h'". What is the likely cause? — Ans: Your system's ls version does not support -h option | Linux CLI

Linux CLI - Navigating the File System

You run ls -lh but get an error: "ls: invalid option -- 'h'". What is the likely cause?

AYou forgot to add a directory path

BThe -l option cannot be combined with -h

CYou need to use uppercase H instead of lowercase h

DYour system's ls version does not support -h option

Step-by-Step Solution

Solution:

Step 1: Understand the error message
The error says -h is invalid, meaning the ls version likely does not support it.
Step 2: Check compatibility
Older or minimal ls versions may lack -h (human-readable sizes). It's not about missing path or option conflicts.
Final Answer:
Your system's ls version does not support -h option -> Option D
Quick Check:
Unsupported option error = Version lacks feature [OK]

Quick Trick: Check ls version if options cause errors [OK]

Common Mistakes:

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You run ls -lh but get an error: "ls: invalid option -- 'h'". What is the likely cause?