说明：The Sleeping Teaching Assistant
A university computer science department has a teaching assistant (TA) who helps undergraduate students with their programming assignments during regular office hours. The TA’s office is rather small and has room for <qq_45105409> 上传 | 大小：4kb
说明：Sudoku Solution Validatorx
This would result in a total of eleven separate threads for validating a Sudoku puzzle. However, you are welcome to create even more threads for this project. For example, rather than creating one thread that checks all n <qq_45105409> 上传 | 大小：4kb
说明：UNIX Shell and History Feature
1.The first task is to modify the main() function in Figure 3.36 so that a child process is forked and executes the command specified by the user.
The next task is to modify the shell interface program so that it provi <qq_45105409> 上传 | 大小：5kb
