Closed azl397985856 closed 4 years ago
执行shell命令 ,是调用fork进程,创建子进程,就是自己执行shell命令或者启动程序
fork一个子进程,然后启动子shell,执行用户命令
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执行shell命令 ,是调用fork进程,创建子进程,就是自己执行shell命令或者启动程序