Answer Posted / j

ending with'&'

Why is it called a shebang?

1090

---

What does the metacharacter mean?

1087

---

What is command substitution?

1266

---

How do I search for a file in unix command?

975

---

Who invented grep?

1106

---

What is grep r?

1044

---

What does the “echo” command do?

1097

---

How do I open a port?

1036

---

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:

2202

---

Can you enlist some commonly used network commands?

1052

---

What is merge command in unix?

1443

---

What happens when we execute a unix command?

1089

---

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1336

---

What does #!/ Bin sh do?

1016

---

What is sed awk grep?

1072

---