7. [2] When we call a system call such as fork in C, we do so with what looks li

Question

7. [2] When we call a system call such as fork in C, we do so with what looks like a C function call. Are we really making a function call? 8. [2] What does parse_args() do? Specifically, what is its input, and 9. [1] Why does interaction with 3000shell often gets "messed up" when 10. [2] What system calls are used to list all the files in a directory? What Explain. what is its output and side effects? running programs in the background with &? are the library calls that are normally used to make those system calls? 11. [1] What happens when you delete line 293 (the call to wait())? Why? 12. [2] What happens to an in-progress system call when a process receives a signal? (An example is a program waiting for input from a terminal with a blocking read call.) What does "restarting" a system call have to do with this? 13. [2] Describe how you could add input redirection for external programs to 3000shell

Explanation / Answer

Solution:

7)

Yes, it is like a function call in C without any argument but it is a system call and fork creates a child process whenever called.

it takes no arguments and returns process id.

I hope this helps if you find any problem. Please comment below. Don't forget to give a thumbs up if you liked it. :)

Related Questions

Navigate

• Browse (All)
• Browse 7
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.