Answer Posted / j

ending with'&'

What is the use of the command 'ls -x chapter[1-5]' ?

1216

---

What is the command to find hidden files in the current directory?

1192

---

What are the general commands in using unix os for a beginner?

1173

---

What is the use of tee command?

1163

---

What does pipe () return?

1075

---

What is the use of finger command?

1218

---

What is {} in find command?

1111

---

What is s and g in sed command?

1120

---

What happens when we execute a unix command?

1147

---

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:

2271

---

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

1406

---

What is merge command in unix?

1511

---

What is the use of the tee command?

1099

---

How does shebang work?

1069

---

What is used to type command?

1062

---