Answer Posted / abdulrehman

GUI is easier than the CUI

What is command substitution?

1379

---

What command is used to switching between users in unix?

1084

---

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:

2273

---

Which command will print your home directory on screen?

1086

---

Who invented grep?

1164

---

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1317

---

What is the command to compare two files in unix?

1127

---

What does pipe () return?

1080

---

Is ‘du’ a command? If so, what is its use?

1155

---

How do I use grep to search for a file?

1059

---

Explain command to show the space allocation of files?

1128

---

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)?

1575

---

What are the dos commands?

1267

---

What is grep command in unix with examples?

1225

---

What is awk command used for?

1245

---