process - linux 每个进程都属于某一个tty吗
伊谢尔伦
伊谢尔伦 2017-04-17 14:47:52
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linux 每个进程都属于某一个tty吗?

进程的控制终端 是什么玩意?

伊谢尔伦
伊谢尔伦

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No, tty is just a human-computer interaction device. Processes that do not require human-computer interaction do not need to be associated with a tty.
For example, init does not have a dedicated tty.
You can try ps -e | less
You can observe that there are quite a lot of processes without dedicated tty.

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