man pages section 1: User Commands
    
O
 
 object archive, find ordering relation for an object or library archive — lorder ( Index Term Link )
 
 object files
  find printable strings — strings ( Index Term Link )
  manipulate the comment section — mcs ( Index Term Link )
  print section sizes in bytes — size ( Index Term Link )
  strip symbol table, debugging and line number information — strip ( Index Term Link )
 
 octal dump, — od ( Index Term Link )
 
 od — octal dump ( Index Term Link )
 
 on — execute a command on a remote system, but with the local environment ( Index Term Link )
 
 onintr — shell built-in functions to respond to (hardware) signals ( Index Term Link )
 
 online documentation system, — answerbook2 ( Index Term Link )
 
 online reference pages — man ( Index Term Link )
 
 optisa — determine which variant instruction set is optimal to use ( Index Term Link )