$ tkn pipelinerun delete --keep=100 --namespace=cert-manager-operator --force
All but 100 PipelineRuns(Completed) deleted in namespace "cert-manager-operator"

$ tkn pipelinerun delete --keep=100 --namespace=default --force
All but 100 PipelineRuns(Completed) deleted in namespace "default"

$ tkn pipelinerun delete --keep=100 --namespace=konflux-operator --force
All but 100 PipelineRuns(Completed) deleted in namespace "konflux-operator"

$ tkn pipelinerun delete --keep=100 --namespace=konflux-ui --force
All but 100 PipelineRuns(Completed) deleted in namespace "konflux-ui"

$ tkn pipelinerun delete --keep=100 --namespace=open-cluster-management-2ppoejm08poh4n8vgkpisbjtgiafe9am --force
All but 100 PipelineRuns(Completed) deleted in namespace "open-cluster-management-2ppoejm08poh4n8vgkpisbjtgiafe9am"

$ tkn pipelinerun delete --keep=100 --namespace=openshift --force
All but 100 PipelineRuns(Completed) deleted in namespace "openshift"

$ tkn pipelinerun delete --keep=100 --namespace=rhbk-operator --force
All but 100 PipelineRuns(Completed) deleted in namespace "rhbk-operator"

$ tkn pipelinerun delete --keep=100 --namespace=rhtpa-operator --force
All but 100 PipelineRuns(Completed) deleted in namespace "rhtpa-operator"

$ tkn pipelinerun delete --keep=100 --namespace=trusted-artifact-signer --force
All but 100 PipelineRuns(Completed) deleted in namespace "trusted-artifact-signer"

$ tkn pipelinerun delete --keep=100 --namespace=tsf --force
All but 100 PipelineRuns(Completed) deleted in namespace "tsf"

$ tkn pipelinerun delete --keep=100 --namespace=tsf-keycloak --force
All but 100 PipelineRuns(Completed) deleted in namespace "tsf-keycloak"

$ tkn pipelinerun delete --keep=100 --namespace=tsf-tas --force
All but 100 PipelineRuns(Completed) deleted in namespace "tsf-tas"

$ tkn pipelinerun delete --keep=100 --namespace=tsf-tpa --force
All but 100 PipelineRuns(Completed) deleted in namespace "tsf-tpa"