Cool! What I would recommend right off the bat is installing the handy tool `rlwrap` and starting `tclsh` using the command `rlwrap tclsh`. This wraps it with

Cool! What I would recommend right off the bat is installing the handy tool `rlwrap` and starting `tclsh` using the command `rlwrap tclsh`. This wraps it with readline which imo is a better experience (especially if one is used to the readline keyboard shortcuts).