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#1
January 3rd, 2005, 03:48 PM
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Lookup script filename by PID
I'm using the "top" and "ps" commands to look up PID's on a FreeBSD machine, but in the readout from top where the command column reads "perl", there's no way to tell which of my scripts started the process.
Does anyone know of a way to lookup the filename of a script by the PID?
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#2
January 4th, 2005, 11:29 AM
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Hi GoofBall,
the ps man page shows how to view the PPID.. that is the Parent PID. You can add it to the ps output a number of ways, for example with the -j switch: Code:
[steven@Napoleon 18:24:55] ~ > ps -j USER PID PPID PGID SID JOBC STAT TT TIME COMMAND steven 6426 6425 6426 6426 0 Ss p0 0:00.06 -bash (bash) steven 6464 6426 6464 6426 1 R+ p0 0:00.00 ps -j steven 6396 91051 6396 91051 1 I+ v0 0:00.04 -bash (bash) with that you can backtrack and usually figure out where a process initiated. does that help? MfG Steven "You ride a horse rather less well than another horse would!", - Edmund Black Adder Last edited by stevengs : January 4th, 2005 at 11:34 AM.
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#3
January 4th, 2005, 04:25 PM
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Yeah, I think the the ps utility will do.
I tried it before - without any flags - and as a result could only see the processes owned by me (root) which were ssh commands and therefore didn't look anything like the Perl script file name I was looking for in a greedy process. That's why I couldn't make sense out of it. I don't know why, but it didn't even occur to me to check for a man page ...  %> ps -a shows all processes from all users, and a full path under the command column. Thanks for posting back!
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