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89860 篇文章 33 次评论单选题：As default, if a system call fails, it will return ___.
As default, if a system call fails, it will return ___.@[D](1)A. 0 B. 1C. a positive integer greater than 1 D.…
单选题：Consider the following code, how many “hello”s will be printed o
Consider the following code, how many “hello”s will be printed out?@[C](1)```#include #include main(){ int i; f…
单选题：In Linux kernel, a child process created by the clone system cal
In Linux kernel, a child process created by the clone system call cannot share __ with the parent process?@[B](1)A. a…
单选题：How many processes will be created when running the program gene
How many processes will be created when running the program generated by the following C source codes? (including the fi…
单选题：The dup () system call in LINUX comes under __________.
The dup () system call in LINUX comes under __________.@[B](1)A. process system callsB. file system callsC. communica…
单选题：```
```#include int count = 0;int main(){ int *ptr = 0; int pid = getpid(); if (pid = fork()) { wait(…
单选题：```
```#include int count = 0;int main(){ int *ptr = 0; int pid = getpid(); if (pid = fork()) { wait(…
单选题：Process A forks, creating process B. Process A then exits, as do
Process A forks, creating process B. Process A then exits, as does its parent, and the parent of its parent, and the par…
单选题：```
```#include int count = 0;int main(){ int *ptr = 0; int pid = getpid(); if (pid = fork()) { wait(…