Re: [AMBER] {SPAM?} An question about Tutorial

From: Matthew Guberman-Pfeffer <>
Date: Mon, 30 Aug 2021 21:29:55 -0400

pmemd expects a file name after the -inf flag to which it will write information about the run.
I remember being bewildered over what all the flags meant as a new user. I suggest reading the manual or doing an earlier tutorial to make sure you understand every keyword/flag you use.


> On Aug 30, 2021, at 9:22 PM, wangwei1669 <> wrote:
> *Message sent from a system outside of UConn.*
> Hi, Amber users,
> I am a new user of Amber and I am following the online Tutorial 1.7 'An Amber Lipid Force Field Tutorial: Lipid14'. The step of production uses this code:
> $ pmemd.cuda -O -i -o 05_Prod.out -p DOPC_128.prmtop \
> -c 04_Hold_10.rst -inf -r 05_Prod.rst -x
> This code results in the feedback, 'unknown flag 05_Prod.rst'. I am wondering whether the '-inf ' is redundant. A code without the '-inf ' can run normally after all.
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Received on Mon Aug 30 2021 - 19:00:02 PDT
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