Answer Posted / padma narravula

ps | grep "$$"

Explain mount and unmount command.

1215

---

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:

2265

---

Can you explain a little bit about command substitution?

1115

---

How to display no of records in oracle using unix command?

1171

---

What does awk stand for?

1077

---

Who invented grep?

1158

---

What are the commands in UNIX to list the files in a Directory?

1184

---

What is .sh file?

1183

---

Name the general commands in using unix os for a beginner?

1161

---

What is grep and how do you use it?

1109

---

How does shebang work?

1066

---

How do I search for text in vi?

1046

---

Who wrote grep?

1064

---

Which command is used to find whether the system is 32 bit or 64 bit?

1149

---

What does the metacharacter mean?

1134

---