what is tty* in /edv file folder?

horse_rivers horse_rivers at 126.com
Wed Nov 28 05:11:43 EST 2012


hi:


   I find in /dev/ file folder ,there are many tty* , which is like  tty0,ty1,tty7,tty9,and son on.

  I do not know what is this ?

   my computer may not have so many device

thanks!



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