Script in the TCL/TK Language
TCL is a file extension for a script written in TCL. TCL (also pronounced tickle) stands for Tool Command Language. TCL files are text files containing TCL scripts. TCL is a dynamic open source language used for building web and desktop applications. Whether on Windows, Mac OS X, or Linux operating systems, TCL files can be opened and edited by WISH and TCLSH.
MIME type: application/x-tcl
Learn more about .TCL files:
Visit the TCL web page.
Read about Linux TCL Scripting at ITKnowledgeExchange.com.