anchor.diff:  ****
   */etc/fstab*
   ----
  -# <file system> <mount point>   <type>  <options>     <dump> <pass>+
  +# <file system> <mount point>   <type>  <options>     <dump> <pass>
   # performs filesys check every 30 startups
   /dev/sda1        /mnt/foo        ext4   defaults 0 30   
   # filesys checks disabled
  
positive.code: *display info from an object file(s).*
  
  basic syntax:
  [source,bash]
  $ objdump <options> file
  
  display the contents of the overall file header:
  [source,bash]
  ----
  $ objdump –f foo
  
  
negative.code: *provides info on the symbols used in an object file or executable. by default, nm shows the symbol: value, type and name.*
  
  basic syntax:
  ----
  $ nm 
  ----
  
  [NOTE]
  ====
  