I've been trying to install Xconq. I'm not having a problem that is directly related to that program. The 'make' command is referencing to a file called tk.h . One I tracked that file down, i tracked down the specific error INSIDE the file from a prompt clue, and saw that tk.h was looking for a file called Xlib.h . I can NOT find that file ANYWHERE on my system. I'm running RedHat 7.1 Seawolf if that means anything to anyone, and underneath Gnome. I am running under the superuser. I also can't get the darn text out of the terminal window. Please help me. I've been trying to figure this out, on and off, since about 8 am Sunday morning (it's now 2 am Monday). I just can't figure out what's going on with that file, or how to find or make it.