any body tell me what are the prob's mostly we face and send some critical prob in real time environment in Solaris and veritas (VXVM,VCS)

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give the exact definition of operating system is it necessary to load OS in every system to run any program if so, why?

1 Answers  

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what is ms configure?

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which one of following is not memory management model? choices are buddy system, monitors, paging, swapping

6 Answers   Hughes, Satyam,

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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....?

0 Answers   TCS, Wipro,

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Hi, This question may sound stupid. But I want to know that if the secondary storage device is used to store data on computer, then what is the use of the primary storage in the first place? Why cant we use only one?

2 Answers  

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What are go channels?

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Q1. What is an interrupt? How are multiple interrupts dealt with? Q2. Explain the difference between a MONOLITHIC KERNAL and a MICROKERNAL? Q3. List reasons why a Mode switch between threads may be cheaper than a Mode switch between processes. Q4. What is the difference among deadlock avoidance, detection and prevention? Q5. What items of information about a task might be useful in real time scheduling? Q6. Discuss some of the reasons for implementing process migration ? How is the process address space handled during process migration?

1 Answers  

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How do you pronounce gnu?

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discuss the procedures to evaluate disk excess time

0 Answers   Wipro,

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I have nortan antivirus but some of the virus it can't delete. how will i remove that virus without formating the system ?please help .

3 Answers   HCL,

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Is system restore bad for your computer?

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