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Re: bash -c 'sleep 5 &' vs. ssh user@host 'sleep 5 &'

From: Dale R. Worley
Subject: Re: bash -c 'sleep 5 &' vs. ssh user@host 'sleep 5 &'
Date: Tue, 22 Sep 2020 22:02:38 -0400

Clark Wang <dearvoid@gmail.com> writes:
> Then, how should we explain that
>   $ ssh -t 'sleep 120 &'
> would complete immediately?

One thing to check is whether ssh is giving you a pty in various
circumstances.  Execute the "tty" command, e.g. "ssh tty".
Once you know whether the remote Bash has a pty and that it has been
given a command on the command line, you can start sorting out what mode
Bash is running in and exactly what "&" does.


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