What is TCL? What Opens a TCL? File Format List from WhatIs.com

File Extension

TCL File Format

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.

This was last updated in August 2010
Editorial Director Margaret Rouse

Ask a Question About TCLPowered by ITKnowledgeExchange.com

Get answers from your peers on your most technical challenges

Tech TalkComment

What made you want to look up TCL Script in the TCL/TK Language? Please tell us where you read or heard it (including the quote, if possible).



    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.