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I am trying to find out which tty or pts is being run by which process.

My research so far is that:

  • tty is a kernel or backend terminal to handle lower level stuffs
  • pts is a pesudo terminal to allow user to communicate with the system
  • there are a lot of tty and pts files in /dev but cannot be read

Would like to ask the following questions:

  • Why does /dev/pts and /dev contains so much numbers (eg 1-26) despite ps -aux | grep pts only showing 4 pts entries

  • Is it possible to determine what process is running a pts or tty? As I read that ssh spawns a new shell, but not sure if its a pts or tty

user357066
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