Answer Posted / shekh

alt+f9

What command is used to switching between users in unix?

557

---

What is the pipe command?

574

---

What are the general commands in using unix os for a beginner?

575

---

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

795

---

How do I run a whois command?

596

---

---

What do chgrp command do?

586

---

Which command should you use to find the remaining disk space in unix server?

701

---

What will the following command do?

611

---

Why is it called a shebang?

566

---

How do you repeat a command in terminal?

587

---

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:

1758

---

Explain ‘system calls’ with respect to unix commands?

598

---

Write a command to display a file’s contents in various formats?

619

---

What is awk command used for?

596

---

Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

951

---