Answer Posted / mani

ps-f

What is pipe command in unix?

1227

---

How does shebang work?

1017

---

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

2201

---

What is {} in find command?

1049

---

What is the difference between cat and more command?

1224

---

Explain ‘system calls’ with respect to unix commands?

1038

---

How can you see the command line history?

1075

---

What is the size of time_t?

1147

---

What is command substitution?

1265

---

What is unix command line?

1177

---

Which unix command to make a new directory?

1065

---

What does find command return in unix?

1097

---

What do know about tee command?

1104

---

What are the dos commands?

1194

---

What does #!/ Bin sh do?

1015

---