Corona editor and sublime text-unwanted tabs

Getting Started Newbie Questions
#1

I use corona editor in sublime text.

  • When i pressed F11 or F12 some new tabs opened and there is no way to close them.How to do that??
  • When i clicked build,a new was opened and it does not go away.How to close it??
#2

Trying going to view–>Layout–>single

(working from Mac version but I would imagine it would be the same.)

#3

Trying going to view–>Layout–>single

(working from Mac version but I would imagine it would be the same.)