anchor.diff:  (...)
   ----
   
  -=== nm
  +==== nm
   *provides info on the symbols used in an object file or executable. by default, nm shows the symbol: value, type and name.*
   
   basic syntax:
  
positive.code: 
  [index]
  == other utils
  === file
  *get basic file information on a file(s).*
  
  basic syntax:
  
negative.code: 
  [index]
  == linux ipc
  ==== ipcs
  *provides information on system inter process communication.*
  
  ----
  