[Solved] What is wrong with this command?gcc -S file.o -o file.s — Ans: Cannot generate assembly from object file | C

C - Basics and Execution Environment

What is wrong with this command?

gcc -S file.o -o file.s

AMissing -c flag for compilation

BCannot generate assembly from object file

COutput file name should be file.o

Dgcc does not support -S option

Step-by-Step Solution

Solution:

Step 1: Understand -S option
'-S' generates assembly code from source, not from object files.
Step 2: Check input file type
Input 'file.o' is object code; cannot be converted back to assembly with gcc -S.
Final Answer:
Cannot generate assembly from object file -> Option B
Quick Check:
-S requires source, not object file [OK]

Quick Trick: -S works on source, not object files [OK]

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