Operating Systems Interview Questions
Questions Answers Views Company eMail

1. Why "d" is postfix in almost every service name of Linux like httpd, dhcpd? 2. how to restrict su & ssh services for some users? 3. how can we configure a default gateway for 10 n/w cards in a server?

6 3934

what is differnce between boot -s and boot -S ?

3 3059

how to add the more than one number of pkg at a time in solaris

2 2298




I AM MR SAGAR HAVING SUN SOLARIS 10, I AM NOT ABLE TO BROWSE THE INTERNET... I AM NOT HAVING NETWORK DRIVER WHICH SUPPORT SUN SOLARIS 10. I AM HAVING RTL 8111B GB LAN .BUT I AM HAVING RT8111B GB LAN DRIVERS WHICH SUPPORT XP,VISTA,UNIX,LINUX ...BUT IT NOT SUPPORTING FOR SUN SOLARIS 10 ...PLEASE GIVE A DETAILS FOR HAVING DRIVER AND HOW TO ACTIVATE THE NETWORK TO BROWSE THE INTERNET THROUGH SUN SOLARIS 10 THROUGH MOZILLA FIRE FOX ....MY E_MAIL ADDRESS IS \r\nsagar_nithin@yahoo.com

1 1627

what is the difference between exchange server 2003 and exchange server 2007

Wipro,

1 2540

I have 2 PC one winxp system with 160 gb HDD,2 GB Ram and another with 512 RAM , Pxe boot support onboard lan port but without HDD. My question is that can i boot my second pc without HDD via network and use or access winxp machine to store data ? and how ?

2 2116

Write a cron entry for the following scenario:- At 10:30 AM for every Sunday of every 1st month of a quarter.

IBM, HP,

7 6732

How to transfer a file from windows xp to RHEL5(LINUX) with bootable os?....

Infosys,

5 5671

what is difference between IRQ and FRQ ?

Bosch,

4 22883

who invented unix?

Wipro,

3 4100

what are the init levels in Linux?

3 3516

Explain Backup Managment commands in Linux.

5 4278

Compare between SYS V launched processes and Xinetd processes in Linux.

1 2818

presently am using vista ......i want 2 format vista and i want 2 freshly install xp but but the system is not yet formatting it is formatting with vista but not with xp.....though i used many xp cds. same pblm....... it is displaying the following error a plm has been dected and windows has been shut down to prevent this damage tecnical information: stop(0*0000007b (0*f7802524,0*c0000034,0*00000

636

What is file constructing in UNIX/AIX ?

TCS, IBM,

2 4805







Un-Answered Questions { Operating Systems }

What is cachefs?

965


1. User gaves df -h and the system get hanged. why ? 2. what is the hardlink and softlink mount ? 3. why is portmape should be started ? 4. what is nologin option 5. how to restrict users from accessing nfs ? 6. what is the difference between cpio and tar 7. what are the kernel parameters ? how to find out it ? 8. why we use sysctl.conf ? 9. if we gives init1 from multiuser runlevel, will it affect other users who already logged in to the system ? 10. what will be the available space to use after configuering raid5 with 5 disks each having 5gb spce ?

1296


What is the configuration of the system u use at home?

774


What is the use of inet_aton() Function?

238


Stable storage cannot be implemented. (A) Explain why it cannot be. (B) Explain how database system deal with database applications

848


what is the roles and responsibilities in linux system admin having 2yrs exp..?

2799


How to Reply to a Wild Address?

485


How do u know that,what patch can be applicable on the system?

843


what is the excat control flow when we start a computer,specially including POST operation and Mostly the roleof the Kernel File?

813


operating system support which deadlock handling techniques like solars, unix implement which deadlock handling techniques

1207


What are the tools used for windows backup strategies?

1048


How to Access a FIFO?

432


presently am using vista ......i want 2 format vista and i want 2 freshly install xp but but the system is not yet formatting it is formatting with vista but not with xp.....though i used many xp cds. same pblm....... it is displaying the following error a plm has been dected and windows has been shut down to prevent this damage tecnical information: stop(0*0000007b (0*f7802524,0*c0000034,0*00000

636


Dear All, When the patches are installed in the server OS, how will we know that which patch is the latest patch?

951


if a min thread has finished execution what happens ? a) it exits b) it wait for other threads c) becomes inactive ... etc etc

2186