Answer / Neena Pandey

Linux itself is free and open-source, so it doesn't generate revenue. However, companies can make money by selling hardware running Linux, developing proprietary software that works on Linux, or providing support and services for Linux.

How to create a new file and modify an existing file in vi editors?

1 Answers  

---

how do you monitor or measure performance of a linux server which is running for more than 5 years with out a break?

1 Answers  

---

Is chrome os based on linux?

1 Answers  

---

A system has four NI cards , how do you find out that a particular NI card is faulty without going to the sever ?

1 Answers   HCL,

---

What does tty mean in linux?

1 Answers  

---

What daemon is responsible for tracking events on your system?

1 Answers  

---

Describe the root account?

1 Answers  

---

What is the difference between an argument and an option (or switch)?

1 Answers  

---

How linux is different from unix?

1 Answers  

---

Which os do hackers use?

1 Answers  

---

Explain process id.

1 Answers  

---

What are the file permissions in linux?

1 Answers  

---