Answer Posted / swapna

"chmod" command will control the default file permissions
when files are created.

Explain ‘library functions’ with respect to unix commands?

1168

---

What is the functionality of a top command?

1101

---

What is nr in awk command?

1197

---

Which unix command lists files/folders in alphabetical order?

1742

---

What command will change your prompt to myprompt?

1323

---

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:

2263

---

What is ‘ps’ command for?

1180

---

Is ‘du’ a command? If so, what is its use?

1145

---

What is grep in bash?

1055

---

Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

1229

---

Why is awk called awk?

1068

---

Who command in unix?

1134

---

What is ctrl d?

1092

---

Enumerate some of the most commonly used network commands in unix?

1159

---

What does #!/ Bin sh do?

1065

---