Answer / satish kharat

When successful exec will not return, it will start
executing the new program
However if there is an- error exec returns -1 and sets the
errno to the appropriate value

diff b/w spinlock, seamaphores and mutex and where to use it.

2 Answers   Intel,

---

1. Where the History file can be located? 2. How will you harden the server? 3. Diff between Raid 1 and Raid 5? 4. What is the largest disk size can be used in LVM? 5. How will you remove a PV from lvm without any data loss? 6. What is the diff between ext3 and ext2 File system? 7. How we can use resize2fs, what is the purpose? 8. What is the purpose of LVM? Why it is used? 9. If the FS is in read-only mode, so we cannot create any file. How will you fix it? 10. How to create swap partition after OS installation? 11. What is the diff between ssh and telnet? 12. How to find out the dependency required for a package?

3 Answers   IBM,

---

why the kernel panic error was appering?

13 Answers   Air2Web, Allianz,

---

I would like to know whether Simado and Setu products are they EPBX or not ?

0 Answers   IBM,

---

if one of the critical section code (linked list) is under ISR & another one in kernel thread ? How you will synchronize for this critical section code ?

4 Answers   NetApp,

---

what is samba, what is configuration file, how it will work?

3 Answers   Wipro,

---

what is iptabe on redhat linux?

3 Answers   CDAC,

---

if root user forget the password how to change it?

4 Answers   Wipro,

---

what is mean by raid and what are all raids available even in software and hardware?

5 Answers   Satyam,

---

what is stored at /lib/modules ?

2 Answers   NetApp,

---

what is stored in /proc ? what is significance of /proc in linux ?

3 Answers   NetApp,

---

how to configure ftp server on redhat linux?

9 Answers   Infosys,

---