Answer / dany

you have to prepare all ...just go through this all qs from
this site.

For the L2 & L3 qs to only to know their experience..
[i.e in depth knowledge in some specific chapter based on
his field]

Without using w command how can Iknow that who are users logged in and what they are doing and whether they are idle or running mode?

4 Answers  

---

Give a Linux shell command to find all files in a directory which contain ip addresses.

1 Answers   Amazon,

---

Where is standard output usually directed?

2 Answers  

---

What are the main differences between RHEL4 & RHEL5?

11 Answers  

---

How to check all open ports on linux machine and block unsed ports????????

7 Answers   Tech Mahindra,

---

What are RPM?s, what do they offer?

2 Answers  

---

what is the use of runlevel 4 in redhat linux? in which cases it will use.

1 Answers  

---

Who owns the data dictionary?

2 Answers  

---

Why is it suggested to disable journalism in ext4 filesystem?

0 Answers   IBM, TCS,

---

Hi all Could u plz tell me how I can get UNIX/Linux Certification

2 Answers   Accenture,

---

What is the use of DNS Server? Name other servers works same as like DNS?

2 Answers  

---

My Linux server in the two lan card one lan card is ok working but second lan card after restart daily lan card deactivate and then manual activate then properly working but after restart repeat this problem.(Fedora O.S.) Pls tell me solved this problem.

4 Answers  

---