How to tell Red Hat version?

[alan]

On Mon, 17 Jul 2006, Glenn wrote:

> Is there a text command that will display the version of Red Hat?  I have
> inherited a bunch of servers that run in text-only mode.  I can use uname to
> find out what kernel they have, but how do I tell whether they are running
> 6.0, 7.2, EL AS 3 upgrade 5, or EL AS 4?  Thanks.   -Glenn.

/etc/issue

-- 
"I want to live just long enough to see them cut off Darl's head and
  stick it on a pike as a reminder to the next ten generations that some
  things come at too high a price. I would look up into his beady eyes and
  wave, like this... (*wave*!). Can your associates arrange that for me,
  Mr. McBride?"
                       - Vir "Flounder" Kotto, Sr. VP, IBM Empire.