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Operating Systems Interview Questions
Questions Answers Views Company eMail

ndd -get /dev/hme0 link-mode

Satyam, Wipro,

3 5897

solaris booting process.

HCL, Satyam, Wipro,

4 8546

what are bootloaders in solaris booting? bootblk, ufsboot

Satyam, Wipro,

3 10131

what are the daemons running In NIS? how to do u create NIS users and update Maps?

Satyam, Wipro,

5 11850

what is multihomed system?

Satyam, Wipro,

2 5694

What is the difference between semaphore and spinlock?

 1 5830

what is the advantages of using Windows XP?

CTS,

6 9787

Tell me the 5 differences between Linux and Unix?

 4 8940

What is the difference between RedHat linux and Fedora and Ubuntu?

CSC,

3 12986

What is 2 tier and 3 tier?

 2 3112

1) What is an Virtual memory? 2) How do we test API's in both Windows/Linux/Unix? 3) What is an IOCTL? 4) How do you open a char device through API's? 5) What is major num/ minor num? 6) What is the max num for minor num? 7) Who gives you the major / minor numbers? 8) Reverse a string using recursive func. 9) fork/vfork/clone. 10) What does fork returns? 11) What is a zombie process? 12) What happens when a child completes before parent tries to wait for it? 13) Interrupt handlers, top-hdnl....?

TCS, Wipro,

2047

hi in our system not conected to sharing any folders why ? can u pls xplain

HCL,

10 11972

can we use cat command as an editor ..???

TCS,

12 19532

Explain the more details of vmstat output?

IBM,

2 8988

whenever you are creating a new user (while creating user every time) file /etc/passwd file inode number will be changed why????

Accel,

1 5586

Un-Answered Questions { Operating Systems }

What are the examples of simple command?

525

How to enable acls for /home partition?

492

how do I qualify for the students price of windows 7? What about the oem pricing?

442

Who invented windows operating system?

475

What does ls lrt in unix?

499




What is the use of ls command?

496

How do I get to my home directory in unix?

498

Can I download windows 7 for free?

504

How do I change windows startup settings?

459

Why should I use arch linux?

481

What is the impact of signed numbers on the memory?

537

How do I run a ksh script in unix?

531

Which interfaces are implemented by abstractsequentiallist?

516

What is the family trees and connection by clause?

496

What is the default capacity of hashmap?

417

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