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 )