Tetrinetx uses /etc/default/tetrinetx to know whether it should  be  ran
at startup [ or whenever invoking the init.d script ]  or  not,  reading
the variable RUN_AT_STARTUP.

By default, this variable  contains  "NO",  so  if  you  want  to  start
tetrinetx  at  startup,  modify  /etc/default/tetrinetx  and  make  this
variable say "YES".

