How to make pull.tpr?

GROMACS version: 2022.5
GROMACS modification: no
I am doing the steered md now.
How can I make a pull.tpr file? What commands should I enter?

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Have you gone through any of the relevant tutorials, both Umbrella sampling — GROMACS tutorials https://tutorials.gromacs.org documentation and Umbrella Sampling will help you (they are overlapping to a large extent). Have you read the manual?

thank you so much !