pop up message?

[haseebkhan]

aslam alikum guyz i am using red hat9 linux environment i am facing problem to sending a pop up message to clients through my server to WALL service using but its not working properly plz give me a right solution an detailed to info about this thankxs...........

[lambda]

there is no way to do what you want without installing or running some software on the clients.

[haseebkhan]

plz give me a right solution and proper how can we resolve this problem to sending a popup message through server to client and howz the software can use about this problem plz tell me in proper and detailed and give me also a link they can download the software thankx