Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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RTOS (43)
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Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

In my server squid is configured,and in my client machine i am using proxy (connection settings... proxy server ip) i configured..in server orkut.com is blocked, is it possible to use orkut even when i am using proxy at client side.....

3 5404

3 6521

Is it possible to reduce the size of a already created partition? If yes how......please post solution for me

8 8456

what is the use of nis server in linux? what is the purpose.........

3 13705

why kerberos.............what its need

3 6982

Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 755 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please every body and wite the proper answer. Thanks in Advance

2 4583

Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance

TCS,

3 9028

there are many IPC mechanisms available in Linux ? Which one is best to use and when ?

Broadcom,

1 11495

Is Micro-kernel better than Macro-kernel at ‘cpu usage’ and ‘response time’ ?

1 4073

what is the difference between samba and ftp server in linux? please mention as many as differneces?

9 40960

how nfs server works in linux.........please mention the nfs server working process

2 10164

how many types of user accounts are available in linux os? if i assign a uid below 500 to a normal user..wat wil be happened?

5 42127

what are the various backup tools available in linux

3 8616

Hi All of Unix/Linux professional Q.Why soft link file not open by cat command. Ihave make following symbolic link but when i open with #cat linkfilename it does not oped please see the following code and try to answer. # ln -s file1 ~/mydir/filea [root@dhcppc0 ~]# cd mydir [root@dhcppc0 mydir]# ls -l total 4 lrwxrwxrwx 1 root root 5 2010-04-04 09:04 filea -> file1 [root@dhcppc0 mydir]# cat filea cat: filea: No such file or directory

2 5122

what is linux utilities and editor

Oracle, Wipro,

4 8588

Un-Answered Questions { Operating Systems }

How do I open edge browser?

947

What are the significance of semaphores what are the different types of semaphores?

820

Can you please explain the difference between load-time dynamic linking and run-time dynamic linking?

992

Will upgrading to windows 10 delete files?

874

What is unbounded queue?

919

What is ipc and its types in linux?

1005

Is ctf loader a virus?

786

What are macros in word?

829

In what way the protection fault handler concludes?

1068

What are filenames that are preceded by a dot?

927

How are data structures handled by ntfs?

1167

How do I free up disk space?

990

How do I clean up and speed up my computer?

955

What is typeset in unix?

988

Tell me something about the concept of memory leak?

1111

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