# Comment while running rms command

**URL:** <https://gromacs.bioexcel.eu/t/comment-while-running-rms-command/4448>\
**Category:** User discussions\
**Tags:** mdrun, analysis-tools\
**Created:** [July 11, 2022, 3:52am UTC](https://gromacs.bioexcel.eu/t/comment-while-running-rms-command/4448 "2022-07-11T03:52:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ag94](https://avatars.discourse-cdn.com/v4/letter/a/ecc23a/32.png) [@ag94](https://gromacs.bioexcel.eu/u/ag94)\
**Post date:** [July 11, 2022, 3:52am UTC](https://gromacs.bioexcel.eu/t/comment-while-running-rms-command/4448/1 "2022-07-11T03:52:31Z")

</div>

GROMACS version: 2020.5  
GROMACS modification: No  
I was trying to find the rmsd vs average of my simulation(membrane+protein). I got the following comment, but the command was completed.  
topology has 12221 atoms, whereas trajectory has 406114

What does this mean?