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LAMMPS LAMMPS Mailing List Mirror
1

Would you please expain more to apply $ tail log.lammps?
Should I write what and where in my input file?

tail is a UNIX command used to display the last few lines of a text file:

http://en.wikipedia.org/wiki/Tail_(Unix)

The idea is simply that lammps writes more info in the log file than
it outputs on the screen. In particular the last few lines of the log
file (that you can access with the tail command or any text editor for
that matter) will (in general) give you information on the specific
line in your input script that induced the problem, thus helping you
to debug it.

You should also try to simplify little by little your system and inupt
script to identify the cause of the problem, and only post to the list
when you have a clear idea of what is not working as (you expect) it
should.

Best,
Laurent

PS: please always keep the mailing list in cc.

2

Would you please expain more to apply $ tail log.lammps?
Should I write what and where in my input file?

tail is a UNIX command used to display the last few lines of a text file:

http://en.wikipedia.org/wiki/Tail_(Unix)

The idea is simply that lammps writes more info in the log file than
it outputs on the screen. In particular the last few lines of the log
file (that you can access with the tail command or any text editor for
that matter) will (in general) give you information on the specific
line in your input script that induced the problem, thus helping you
to debug it.

even better is to run lammps with the additional flag

-echo both

so that it will output everything that goes into the log file
also to the screen _and_ the screen output is usually line buffered
and not block buffered like the log file.

axel.