On Unix, a file called $HOME/.tclshrc , and on Windows, a file called $HOME\tclshrc.tcl , will be read by [tclsh] when it is started interactively.

Note that it is NOT read if tclsh is started with a command file.

Please feel free to add examples of useful things one can do with this facility.

   1. perform a [package require] on one of the [pure-tcl readline2] type packages, providing a different command line history functionality.
   1. Set [tcl_prompt1] or [tcl_prompt2]
   1. Create useful [interp aliases].
   1. Customize [proc] [unknown] to, e.g., use [expr] as a last resort so that tclsh can be used as a calculator.

See also [The RC File].

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