Answer Posted / amit

When command is given then unix os will fork the shell i.e
will creat a new process and will execute the command using
exec command...something like suppose you gave command "ls"
in the shell then...
fork();
exec(ls);
It will give you the result and after this the child process
will die.

What are the various schemes available?

543

---

Explain the initial process sequence while the system boots up?

546

---

Explain about daemon?

564

---

How to write the program on full-duplex communication on bidirectional?

541

---

What are two different models of ipc differentiate both?

574

---

---

Explain a zombie?

619

---

What is fork()?

597

---

Explain linking across directories?

532

---

Explain what is the process id for kernel process?

576

---

What is the very first process created by kernel?

588

---

What are the various schemes available in ipc?

549

---

Max relax-able permission value with out giving write permission to others?

566

---

What is the full form of ipc?

578

---

What is the condition required for dead lock in unix system?

548

---

Explain how do you execute one program from within another?

529

---