<div dir="ltr"><div>> for exquisite confusion, background jobs may also input from the
terminal. if there's a setting that controls that, i'm unaware...</div><div><br></div><div>In the darker days of my youth, I routinely used this feature with some of the scripts a coworker delivered for company use.</div><div><br></div><div>I distinctly remember the day in college when we also figured out how to send raw keystrokes from one SSH session to another. We had left a 'yum upgrade' running, and it was waiting for a 'y' to confirm the changes, and we had not yet discovered the wonderous thing known as 'screen', and would rather figure out how to echo keys through /dev/pts0 than kill and restart a process on a new session.<br></div></div><br><div class="gmail_quote"><div dir="ltr">On Tue, Nov 27, 2018 at 3:21 PM gregrwm <<a href="mailto:tclug1@whitleymott.net">tclug1@whitleymott.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">For example, it is well known that "background processes" can't use the terminal interface. But try start several xterm& (background xterms) and you will still get several fully functional xterm windows.</blockquote><div><br></div><div>background jobs may indeed output to the terminal, unless<br></div><div><font size="1"><span style="font-family:monospace,monospace"><span style="background-color:rgb(0,0,0)"><span style="color:rgb(255,255,255)">stty tostop</span></span></span><br></font></div><div>is in effect, whereupon the job will receive the TSTP signal upon attempting output to the terminal. the default result of receiving TSTP is for the job to be stopped.<br></div><div><br></div><div>for exquisite confusion, background jobs may also input from the terminal. if there's a setting that controls that, i'm unaware...<br></div></div></div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Jeff Chapin<br>President, CedarLug, retired<br>President, UNIPC, "I'll get around to it"<br>President, UNI Scuba Club<br>Senator, NISG, retired</div>