[CentOS] updating centOS5.3

From: Rudi Ahlers <Rudi at SoftDux.com>

> On Tue, Oct 12, 2010 at 12:40 PM, Karanbir Singh <mail-lists at karan.org> wrote:
>>  On 10/12/2010 11:33 AM, Rudi Ahlers wrote:
>>> but the process would  probably be the same for both "yum update" and
>>> "yum upgrade" in this  case.
>> Just for completeness sake - 'upgrade' has been deprecated  for a few
>> years now.
> oh, really? I  didn't even know that...... Why is it still available  then?

>From the man page:
  upgrade
      Is the same as the update command with the --obsoletes flag set.

JD