Other companies are also looking skywards - to make everything from pharmaceuticals to artificial tissues.
Terminal applications have a “cursor” that they can move around, just like a text editor. You can tell that cursor “go to line 3, delete everything, then print out this new text” by using VT100 sequences. And you can use it to replace existing characters with new ones, without re-emitting a whole line.
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Жители Санкт-Петербурга устроили «крысогон»17:52