### 0
mkdir -p /root/models /root/datasets

### 1
hf download lmsys/gpt-oss-20b-bf16
  --local-dir /root/models/gpt-oss-20b-bf16

### 2
hf download
  --repo-type dataset zhuzilin/dapo-math-17k
  --local-dir /root/datasets/dapo-math-17k
