X setup via bash?

[Eric Scott]

Heya; I've got Redhat 8.0 on my system with a Panasonic E15 monitor.  My 
E15 never has gotten along with the default E15 settings on the 
different Linux distros, but I found the custom setting that works. 
Problem: Today I changed the resolution from 1024x768 to 800x600 to try 
to get tuxracer to work right, but forgot to make the required change in 
the refresh rates to make my little ol' monitor happy.  How do I change 
it back to 1024x768 via the command line? I'm fairly new to Linux, and 
am mostly lost when it comes to system config via bash.
   Thanx,
       ES

PS: I tried and tried to subscribe to the Psyche (8.0) list for this 
question... no go.  Is it down, or did they just discontinue it when the 
  open-source redhat switched to fedora?  Ah for debian... 
not-for-profit makes for much less annoyance for me, though I understand 
some corporations prefer expensive phone support to developer community 
mailling lists.