why doesn't command history work for user root?

[Mario Dorion]

Can anyone explane to me why doesn't command history work for user root?

I onced looked at the sources of the korn shell and it says something like:
(this is just from memory)

if (userid != 0 )     /* no history for root */
  {
    blah; blah; history processing stuff;
  }

Why?

Also, the 'jobs' command does not work that well either for root.
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