[dywang@dywOffice ~]$ ps -l F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD 0 S 506 29848 29844 0 75 0 - 863 wait pts/1 00:00:00 bash 0 R 506 30388 29848 0 76 0 - 556 - pts/1 00:00:00 ps ## PPID:父程序之PID
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