Eric F. Johnson has been helping programmers get through the most difficult parts of programming for over ten years. He has co-authored top-selling books on UNIX including UNIX in Plain English (MIS:Press,1994) and Linux: Configuration and Installation (MIS:Press, 1995). He also writes a column with Kevin Reichard in UNIX Review magazine, called Crossthoughts.
The UNIX System Administrator's Guide to X
Graphical Applications with Tcl & Tk