A 1500 page print job was sent to the "pcl" queue. The job was running for several minutes before it was determined that the job was not needed. What can be done to delete the job？（） 
- A、kill 201
- B、cancel 201
- C、disable pcl
- D、rm /var/spool/lpd/STDIN.27648
正确答案:B
答案解析:有
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