Output can be viewed, but the console accepts no commands.
On occasion I have seen it accept commands... after running a tcl script from the tools->Tcl Scripts window.
Yes. It accepts all the commands in https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/manual/tclscriptrefmnl.pdf
For more complete information about compiler optimizations, see our Optimization Notice.