Sorry to disturb with mouse
 

I just want a small information about mouse and linux. Do the scrolling property of mouse work in linux? I hv got linux 7.2 (Enigma).

Yes, but you have to activate it manually. Open the file (as root) /etc/X11/XF86Config and skip to the section that looks like this:
Append the line Option "ZAxisMapping" "4 5" in this section, and restart the X-Server (log out and in again).

BTW you are not using linux 7.2 but Red Hat Linux 7.2, a distribution of linux.

You should have searched LQ before asking. This has been asked on numerous occasions and has been discussed to shreds. With that said, Yes it does.

Is your mouse ps2 or usb

if it is ps2 then all you need to do is

open up /etc/X11/XF86Config in any editor(vi etc)
move down to the section on mouse

Change the line
Option "Protocol" "PS/2"
to
Option "Protocol" "IMPS/2"

Also add the line
Option "ZAxisMapping" "4 5"

Thanks Meldar and LinuxLala for posting, But I am not able to find the section "input Device".
There is a section "pointer"
protocol "PS/2"
device "/dev/psaux"
ZAxisMapping 4 5

I changed PS/2 to IMPS/2
still I do not find any change.

Can u help me out

Yes the pointer section is the one i was talking about.

IMPS/2 is fine but you see the ZAxisMapping thing

First of all, there should be an Option before it. Next, it along with the values, 4 and 5 should be in quotes, like this
Option "ZAxisMapping" "4 5"

Make this change and then see.

And oh, you will need to restarrt the X server to get those changes to take effect. A simple logout into the command line and then again a startx :)