nohup python3 parquet2jsonl.py 0 fast & nohup python3 parquet2jsonl.py 1 fast & nohup python3 parquet2jsonl.py 2 fast & nohup python3 parquet2jsonl.py 3 fast & nohup python3 parquet2jsonl.py 4 fast & nohup python3 parquet2jsonl.py 5 fast & nohup python3 parquet2jsonl.py 6 fast & nohup python3 parquet2jsonl.py 7 fast & nohup python3 parquet2jsonl.py 8 fast & nohup python3 parquet2jsonl.py 9 fast & tail -f nohup.out