目录1. os.system()特点：2. subprocess.run()特点：3. subprocess.Popen()特点：4. os.popen()特点：5. subprocess.check_output()特点：6. subprocess.call()特点：使用建议1.
I\'m not thrilled with the argument-passing architecture I\'m evolving for the (many) Perl scripts that have been developed for some scripts that call various Hadoop MapReduce jobs.
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