tclx: tclx (Extended Tcl) tclx: tclx: Extended Tcl (TclX), is a set of extensions to Tcl, the Tool Command tclx: Language invented by Dr. John Ousterhout. Extended Tcl is oriented tclx: towards Unix system programming tasks and large application tclx: development. Many additional interfaces to the Unix operating system tclx: are provided. Extended Tcl was designed and implemented by Karl tclx: Lehenbauer (karl@NeoSoft.com) and Mark Diekhans (markd@Grizzly.com), tclx: with help in the early stages from Peter da Silva (peter@NeoSoft.com). tclx: tclx: