进程的PPID是什么含义

los

ps -ef 后结果中第三项PPID和第四项C分别是什么含义，谢谢

huguozhi

man ps
ppid    Parent process ID as a decimal value. (PPID)

sdccf

PPID (-f, -l)
          The process ID of the parent process.

  C (-f, -l)
          An estimate of recent CPU usage by the process; the scheduler
          combines this quantity with the nice value of the process to
          calculate its priority.

zhangshebao

父进程的PID,即PPID的进程生成PID的进程.

zhengmian

1楼正解！1楼正解！

zhengmian

huguozhi 发表于 2007-03-21 10:53
man ps
ppid    Parent process ID as a decimal value. (PPID)

2楼正解！