Answer Posted / subbareddy kake

By using file command or

First list the all files by using ls -lrt.you will
following type format.
drwxr--r--
-rwxr--r--

so first one directory second one file only

What does the metacharacter mean?

807

---

What is the comma to display different lines that are found when compare two files?

799

---

What do chgrp command do?

834

---

What is in grep command?

857

---

What do chmod, chown, chgrp commands do?

902

---

Describe the usage and functionality of the command rm –r * in unix?

1513

---

What is command substitution?

890

---

What is {} in find command?

788

---

What is grep in bash?

773

---

What is rmdir command?

796

---

Does cp command overwrite files?

831

---

What is a command and examples?

816

---

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

926

---

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:

1976

---

What does the command ' $who | sort –logfile > newfile' do?

1036

---