"show=<gui form name>"

Display the specified GUI form. The form will be taken down automatically when a new command is executed (it stays up while a command is repeated).

"$<command string>"

Passes the specified command string to the application logged event handlers.

"~<function name>"

Calls the specified C function, which is assumed to be of type "void function(void)".

"string=variable_name"

If the active field does not have data, the string stored in "char *variable_name" is added to the field, the field is accepted and control moves to the next field.