How do I run a groovy script in Jenkins?

Related questions

1. What is plugin in Jenkins?
2. What is Jenkins X?
3. What is Jenkins groovy?
4. What is the difference between Jenkins and Jenkins X?
5. What Jenkins used for?
6. What is DSL in Jenkins?
7. Who should use Jenkins?
8. Is Jenkins a CI?
9. What are CI CD tools?
10. What is CI CD pipeline Jenkins?

Tags

1. #slaves
2. #scripts
3. #script
4. #console
5. #jenkins
6. #status
7. #nodes
8. #visit
9. #allows
10. #specific
11. #paste
12. #execute
13. #select
14. #scriptler
15. #store
16. #available
17. #anymore
18. #manage
19. #groovy
20. #agent