** Summary ** 

How to use and manage Tcl packages.

** See Also **

[Tcl User Guide]

** Description **

In the most elementary case, using a package is a matter of directly employing
the [load] or [source] command to make the code in some file available to Tcl.
This can be seen in the following examples:

[extension example]

[How to unload a package]

Typically, however, packages are distributed such that they can be loaded via the [package] command.