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

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Operating Systems Interview Questions

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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 5407

3 6523

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

8 8479

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

3 13711

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

3 6986

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 4588

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 9038

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

Broadcom,

1 11501

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

1 4079

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

9 40980

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

2 10170

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 42134

what are the various backup tools available in linux

3 8625

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 5130

what is linux utilities and editor

Oracle, Wipro,

4 8591

Un-Answered Questions { Operating Systems }

How many gb do you need for windows 10?

857

What does && mean in linux?

1117

Is hashtable throw concurrentmodificationexception?

761

What does 0xc00007b mean?

857

How do I find previous commands in linux?

1055

Brief about the command ff?

1084

Can ram affect fps?

940

Explain command to display different lines that are found when compare two files?

1182

Can hashmap have duplicate keys?

898

Can I end process rundll32 exe?

949

How can I install windows 7 to a netbook with no dvd drive?

923

What is the purpose of linux operating system?

833

Why is interrupt vector used in operating systems?

1148

How much does it cost to upgrade to windows 10?

917

What is the cause of thrashing? How does the system detect thrashing?

1156

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