title: How can i solve the error while 'gcc' linking in Ubuntu 32bit?
body: <pre><code>nasm -f elf sample_io.asm
  nasm -f elf -d ELE_TYPE asm_io.asm
  gcc -o sample_io sample_io.o asm_io.
  </code></pre>
  
  <p>Error message: 
  <img src="https://i.stack.imgur.com/etmwN.png" alt="enter image description here"></p>
  
  <p>After downloading two files (asm_io.asm, sample_io.asm),
  I tried to link by using 'gcc'
  And the 'link error' occurs like the image displayed.
  How can I solve this problem? I use Ubuntu 32-bit, nasm.</p>