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Operating Systems Interview Questions
Questions Answers Views Company eMail

How to sort a file of size 2N bytes, if I have N bytes of memory?

Yahoo,

2 6330

what is the different between B-tree and B+ tree.

Syntel,

8 44522

how to search an element in sorted linked list with time complexity is O(log n).

Wipro,

3 13883

how to find the number of possible tree in the given tree.

Persistent, TCS, Wipro,

12 28001

How can i know my Filesystem and its current usage in my prod UNIX system?

HCL, IBM,

4 14021

What is the difference between NTFS & FAT File systems

CA,

6 12943

In general what is paging? and segmaentation?

Intelligroup,

2 7204

how to install operating system through USB pen drive ?

HCL, Oracle,

1 5944

what basically a system call is?

Infosys,

3 7616

Hi We have upgraded our sun machine from solaris 9 to solaris 10. Before upgradation the date command output(Solaris 9) Wed Oct 13 09:45:21 IST 2010 But after upgradation the output for date is as below(solaris 10). Wednesday, October 13, 2010 9:46:14 AM IST Looks like I need to change LC_TIME=C. can you please help me how to change it for permanently

IBM, Wipro,

2203

Hello Everyone, One of our servers is showing a strange issue, let me paste the output Code: root # uptime 4:37pm 3 users, load average: 0.00, 0.04, 0.04 Its been running since months but you can see after time there isn't any output like up 191 days(s). Even the who command with b and r option isn't giving any output. Code: root # who -b root # root # who -r root # the date command displays correct output. I am not sure but is it because someone has played with utmpx and wtmpx files, is reboot the only solution we have. Can anyone help us since we don't intend to reboot the server for such a reason and also no one has complained till yet.

 1 4051

hi frnds I created sparse root zone, in that zone when i try to change the passwd it is giving permission denied. what is the reason and how to chnage the root passwd in the zone. can u please explain the query.

TCS,

2 5573

In TOP command, can you please explain what is the three numbers reported as part of the load average output "load average: 11.57, 9.84, 8.26"

IBM,

2 5446

I have an interview in Qatar Petroleum for Solaris System Engineer position. Please provide all the technical questions about Solaris OS.

 1 4482

Hello this is gaurav garg I have completed BCA. plz TEll me how will ask question in interview.

 2223

Un-Answered Questions { Operating Systems }

Why do we study data structures?

928

What is pointer in data structure?

877

What is impact of signed numbers on the memory?

897

How do I run a .sh file in unix?

929

How do I enable plugins on firefox?

1097

What are the two parts of a file path?

907

Name some linux variants.

950

How do I check if a port is open linux?

959

What is the use of cp p command?

1098

Where is windbg exe located?

899

How do I open a document?

934

How do I run dism tool?

930

HOW TCP/IP Handles Duplicated Packets?

1617

How long does it take to chkdsk 1tb?

1020

What do you mean by windows 7?

841

For More Un-Answered { Operating Systems } Questions Click Here