An Acronym for Tool Command Language.

It is a scripting language embedded in many applications, much like Elisp is used in Emacs and VisualBasic is in many MicrosoftWindows applications. (This does not mean these languages have anything in common; actually they're about as far apart from each other as imaginably possible.)

Tcl is included with most if not all Unix-like platforms. Its common combination with the Tk ToolKit makes creating GUIs fairly easy.

It has also a standalone interpreter like Perl, Python and Ruby but isn't as popular. Nevertheless, those other interpreters include a modified form of the Tk ToolKit library for graphics programming.

See also:

• The Tcl community is working on the official Tcl Tutorial
• Tcl Developer Xchange
• The Tcler's wiki, a very useful resource on TCL.
• The Tcl newsgroup
• Tclwise, a partially online book about TCL that might be a little difficult for newcomers to understand
• tclsh(1)
• tclsh8.3(1)
• wish(1)
• wish8.3(1)

CategoryProgrammingLanguages, CategoryVeryHighLevelProgrammingLanguages