Hacker News new | ask | show | jobs
by uuoc 3442 days ago
It is described perfectly, but it does presume the reader knows the meaning of "XON/XOFF flow control".

Whether the reader knows that meaning immediately is a rather good proxy for just how long they have been working and/or playing with computers. Long ago, in a world of RS-232 connected display terminals and/or analog telephone modems, one became very familiar with "XON/XOFF flow control".