I was intrigued by Jeff's post so I tried a couple of experiments of
my own and was able to duplicate the same behaviour - including the
bash process being shown as a Windows process - on my Cygwin
installation. The only difference was that I was getting Jan 1 instead
of Dec 31 for the STIME.
FWIW, I'm running 32-bit version of Cygwin on 64-bit Windows 7 and can
supply the output of cygcheck if it's useful. Also, I started my
Cygwin shell yesterday so "Oct 23" is the correct STIME for the bash
and ssh-agent processes.
Thanks, Corinna, for the explanation about how piping to grep
sometimes shows how the bash process forks to start the grep process.
However, I'm curious as to why there's also a duplicate ssh-agent
process every now and again.
Regards,
Anthony
$ while true; do date; ps -W | grep ssh-agent; sleep .3; echo; done
Thu, Oct 24, 2013 10:23:58 AM
948 1 948 948 ? 12665 Oct 23 /usr/bin/ssh-agent
Thu, Oct 24, 2013 10:23:58 AM
948 1 948 948 ? 12665 Oct 23 /usr/bin/ssh-agent
5112 0 0 5112 pty0 12665 Jan 1 /usr/bin/ssh-agent
Thu, Oct 24, 2013 10:23:59 AM
948 1 948 948 ? 12665 Oct 23 /usr/bin/ssh-agent
4708 0 0 4708 pty0 12665 Jan 1 /usr/bin/ssh-agent
Thu, Oct 24, 2013 10:23:59 AM
948 1 948 948 ? 12665 Oct 23 /usr/bin/ssh-agent
Thu, Oct 24, 2013 10:24:00 AM
948 1 948 948 ? 12665 Oct 23 /usr/bin/ssh-agent
$ date; ps -W | grep bash
Thu, Oct 24, 2013 10:46:13 AM
5228 4688 5228 5428 pty0 12665 Oct 23 /usr/bin/bash
6708 0 0 6708 pty0 12665 10:46:13
C:\cygwin\bin\bash.exe
$ date; ps -W | grep bash
Thu, Oct 24, 2013 10:46:29 AM
5228 4688 5228 5428 pty0 12665 Oct 23 /usr/bin/bash
5492 5228 5228 5492 pty0 12665 10:46:29 /usr/bin/bash
$ date; ps -W | grep bash
Thu, Oct 24, 2013 10:46:32 AM
5228 4688 5228 5428 pty0 12665 Oct 23 /usr/bin/bash
7156 0 0 7156 pty0 12665 10:46:33
C:\cygwin\bin\bash.exe
$ date; ps -W | grep bash
Thu, Oct 24, 2013 10:46:34 AM
5228 4688 5228 5428 pty0 12665 Oct 23 /usr/bin/bash
7380 0 0 7380 pty0 12665 10:46:35
C:\cygwin\bin\bash.exe
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