Answer Posted / abhishek dilliwal

yeah above are the ways but i have 1 more,

echo "
Here u write contents of file
this is second line of file
" | cat > NewFile

What is grep r?

1090

---

What does touch command do in unix?

1414

---

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

1142

---

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

1165

---

Who command in unix operating system?

1127

---

Who invented grep?

1158

---

Can you explain a little bit about command substitution?

1110

---

Explain command to view process running?

1123

---

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:

2262

---

What is the general format of unix command syntax?

1916

---

What do know about tee command?

1155

---

How do you grep a case insensitive?

1044

---

How do I search a whole word in vim?

1171

---

Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1217

---

What is the function of grep command in unix?

1172

---