Setting resolution with default X

Okay, so I have X and Enlightenment DR16 as my desktop thing and I don't have a Xorg.conf and X just uses the defaults I guess or whatever. So it works fine without the Xorg.conf even though I hear many people configure the file and use it, but I think it's too complicated and it's working fine for me now anyway. But now I want to set a certain resolution to my defaults right now. Is there a way I can just set a certain resolution without having to create a Xorg.conf and going through the trouble of configuring the stuff?

Greetings mighty Sentralorigin.
I 'just joined' to. Can you help me with samething, please? I don't now how to post a new thread...

Erm...Near the top left of the forum there should be a button image that says "New Thread"...just click on that...

I was on wrong page. I just search this site looking at the top left side... and find the magic button. Thanks a lot. You are my hero...

So this is the very last section in my /etc/X11/xorg.conf:

Code:

---

Section "Screen"
        Identifier "Screen0"
        Device    "Card0"
        Monitor    "Monitor0"
      DefaultDepth  24
        SubSection "Display"
                Viewport  0 0
                Depth    1
        EndSubSection
        SubSection "Display"
                Viewport  0 0
                Depth    4
        EndSubSection
        SubSection "Display"
                Viewport  0 0
                Depth    8
        EndSubSection
        SubSection "Display"
                Viewport  0 0
                Depth    15
        EndSubSection
        SubSection "Display"
                Viewport  0 0
                Depth    16
        EndSubSection
        SubSection "Display"
                Viewport  0 0
                Depth    24
               Modes    "1024x768"
        EndSubSection

---

I did X -configure and the 2 lines in BOLD are the lines are added to the already default config.
Did I put this correctly for 1024x768 resolution? And if I want 1280x900 I can just replace the number Mode?

If you want a different resolution just change it to the one you want, if you want to test with various resolution. Add all them in the same Mode line separated by spaces

What about the DefaultDepth?

It depends what you want, the color depth have some resolution that can be used with that specific color depth. Not all monitor can do their highest resolution with their highest color depth.

Be aware that 24 bits is in fact 32 bits in Windows 'words', because Linux omits the 8 gray scale bits, hence 16 bit is in fact 24 in Windows 'words'

Thank you Juan Pablo

How can I tell how much max resolution my monitor can go up to?

Test it, or just look in the manual :)