1, the understanding of the system call fork (), execl (), exit (), getpid (), and waitpid () function and process 2, write a procedure to achieve the following functions : a) The use of system calls fork () to create two child process b) the parent process repeated string "parent : ", and the use of function getpid () show their ID process. C) two separate child process repeated string "child :" and the use of function getpid () show their ID 3 process, to prepare a process to achieve the following functions : a) The use of system calls fork () to create a child process b) children show their ID process, and the string " : The child is calling an exec. \ n " Then execl () call system commands ps shows currently running process, thereby replacing the execution

Packet : 73462707fork_textcanjian.rar filelist
fork_test.c
fork_test.exe
forktest.c
forktest.exe

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