TCL(Tool Command Language)是一种解释执行的脚本语言(scr ipting Language)。 它提供了通用的编程能力：支持变量、过程和控制结构；同时TCL还拥有一个功能强大的固有的核心命令集.-TCL (Tool Command Language) is an interpreted scr ipting language (scr ipting Language). It provides a common programming capabilities: support for variables, process and control structure　while TCL also has a powerful core of the inherent command set.