Answer Posted / naveen kumar

They are 3 types in file system

The default file system in unix administration is UFS (UNIX
FILE SYSTEM).

What does this command do? Cat food 1 > kitty

975

---

Which command is used to copy files?

556

---

What is the use of the command 'ls -x chapter[1-5]' ?

659

---

Are you in or at the office?

610

---

How do I delete files from command prompt?

549

---

---

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

---

How do I clear my terminal history?

582

---

What does the “echo” command do?

624

---

What does the md command do?

568

---

Does cp command overwrite files?

620

---

Explain command to view process running?

611

---

Is grep faster than awk?

557

---

What does 'mkdir' command do in UNIX?

660

---

How do I search for a file in unix command?

546

---

What does the command '$ls | wc –l > file1' do?

678

---