Terminates the link between the current Tera Term window and MACRO.
unlink
MACRO enters the unlinked state and can not control the Tera Term window any more.
In the unlinked state, the "connect" command can open a new Tera Term window and link MACRO to it.
; open a Tera Term window and link MACRO to it connect 'host' ; terminate the link unlink ; open another Tera Term window and link MACRO to it connect 'host2'