Answer Posted / vengadesh

df -k can give you Filesystem usage.
bdf in case of HP-UX

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

887

---

What is the general format of unix command syntax?

1169

---

Write a command that will display files in the current directory, in a colored, long format.

908

---

What is the difference between cat and more command?

879

---

Explain how to use grep command to list find the records of a file containing 10 different strings?

793

---

---

What are awk commands?

789

---

What is the use of finger command?

810

---

Which command is used to delete all files in the current directory and all its sub-directories?

925

---

What is the command to view process running?

784

---

Who wrote grep?

763

---

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:

1952

---

What are the differences among a system call, a library function, and a unix command?

788

---

What is in grep command?

839

---

What do know about tee command?

803

---

What is the command to find hidden files in the current directory?

819

---