what is virtual machine?

2 Answers   Infosys,

---

In UNIX, what is the command to edit contents of the file?

9 Answers  

---

What is the difference between pipe and xargs?

2 Answers   Amazon, CTS,

---

What is a Unix signal, and how do you handle them?

2 Answers  

---

How do you move or rename a file or directory?

1 Answers  

---

Write a command that will output the sorted contents of a file named in.txt and place the output in another file named out.txt, while at the same time excluding duplicate entries.

1 Answers  

---

What does mkdir up2date; touch outdated up2date do?

2 Answers  

---

What command will change your prompt to myprompt?

0 Answers  

---

How do you change file permissions?

1 Answers  

---

What difference between cmp and diff commands?

0 Answers  

---

What is the protocol for PING command?

1 Answers   IBM,

---

what is the difference between pipe(|) and tee command..

3 Answers   Cap Gemini, Rolta,

---