Answer Posted / manideep

grep "..." <filename>

How do I open a port?

1046

---

What is the difference between awk and grep?

1164

---

What does touch command do in unix?

1360

---

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:

2216

---

Why is shebang used?

1064

---

Which command is used to restrict incoming messages?

1060

---

What does the metacharacter mean?

1100

---

Using unix command how to display no of records in oracle?

1130

---

Explain command to display different lines that are found when compare two files?

1122

---

What is unix command line?

1197

---

What is rmdir command?

1052

---

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)?

1530

---

How does the system know where one command ends and another begins?

2191

---

What is the pipe command?

1136

---

Who command in unix?

1102

---