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Solaris HBA Card model
How to find the HBA Card model, type or make in Solaris 10?
Ragyapa
- Aug 18th, 2010
# prtdiag -vThere look for "IO Cards":========================= IO Cards ========================= &n...
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Diffrence between segmantation and paging
Sujitha_Dhanaraj
- Jul 10th, 2010
Question in reference to VIDYA VENKITESWARAN's answer...In what sense do you say segmentation is visible to the user while paging is not. Can you elaborate on it..Thanks in advance
raj
- Apr 7th, 2007
Paging is a technic which uses fixed size?memory(physical)allocation & segmentation is variable size allocation.paging suffer from internal fragmentation & segmentation is suffer from external fragmentation......
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Operating Systems Virtual Memory
If a system has 128 MB RAM and 1 GB hard Disk, and a process decides to use its fully allotted Virtual Memory 2^32 - 2GB = 2 GB, How is it practically possible?
erdhavalpatel
- Jun 26th, 2010
The basic idea behind the VM is that the combined size of the program, data and stack may exceed the amount of physical memory avaliable for it. The operating system keeps those parts of the program currently in use in main memory and rest on disk. Thanks.
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Page Fault
When do pagefault occur? Describe the actions taken by the OS when page fault occurs.
venu chowdary
- Apr 6th, 2010
A page is a fixed-length block of memory that is used as a unit of transfer between physical memory and external storage like a disk, and a page fault is an interrupt (or exception) to the software ra...
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Configure Hard Disk Space
How to configure Hard Disk Space, file system and domain during XP installation?
sholanki
- Feb 14th, 2010
Insert your XP installation CD inside the CD ROM. Reboot your system. Go through the instructions. Make a new clean install of windows. It will ask you for hard disk partition. There you can change the space of each drive and can also make new drives of your desired space.
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Which is the first operating systems?
hari19784
- Sep 16th, 2007
The GM-NAA I/O input/output system of General Motors and North American Aviation was the first operating system in the history of computer science.[1]It was created in 1956 by Bob Patrick of General M...
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Operating System
What are Batch Operating System and a Time-Sharing Operating System?
pravin_thapa
- Sep 22nd, 2009
Batch operating system are those where we collect similar kind of process make a batch and than submitted to processor to process.
Time sharing where processor jumps between process when a process in its input
session or output session processor jumps to the process which is in process
phase.jsharon
- Aug 29th, 2009
Time-sharing refers to sharing a computing resource among many users by multitasking.Because early mainframes and minicomputers were extremely expensive, it was rarely possible to allow a single user ...
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Describe four general strategies for dealing with deadlocks.
nilupul21
- Aug 23rd, 2009
Strategies to dealt with deadlocks are: Ignore deadlock (This is done in systems which are infrequently meeting with deadlocks) Detection and recovering Avoiding deadl...
visitnitya
- Jan 15th, 2008
The four techniques are-1)mutual exclusion2)circular wait3)hold & wait4)no premption
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Hidden Files
How to create hidden files in UNIX?
kranth.pothuganti
- Aug 19th, 2009
Unix will treat all the files whose names start with a '.'?as hidden.So you can prevent your files from getting listed by LS command by changing it's name such that it starts with a '.'
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Resource Allocator
What is the function of resource allocator in Operating System?
kranth.pothuganti
- Aug 19th, 2009
Resource allocator is a module of the operating system that is used to assign the resources to the processes that reqoested those resources in an economical way so that the utilization of resources is optimal.
vimalat
- Jul 28th, 2009
Resource allocator is used to assign the available resource in a economic way. It is a part of the resource management.
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Installing XP and Vista together
What are the advantages and disadvantages of installing XP operating system and Vista operating system on to one computer?
simple_anagh
- Aug 13th, 2009
Installing XP and Vista doesnt have any drawback. Having two OS system helps you to retrive data if one OS crashes then from another OS you can easily reterive the data.
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What would system restore do? Technically what would it do?
simple_anagh
- Aug 13th, 2009
System restore will go back to proper settings our best configuration Point to be notted it deletes all applications installed but not documentations.
indiansysengg
- Dec 11th, 2006
Its is a kind backup utility,which help when the O/s gets corrupted or we lose our setting of O/s .Always this should be enabled in windows so that we can restore the latest settings when we face any problems
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What do you mean by KERNEL THREADS?
karthika bn
- Aug 4th, 2009
These are the threads that performs thread creation, scheduling and management in kernel space. These are supported directly by os but these are slower than user threads. However, since the kernel is...
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Disable Data From Recovery
How to disable and protect private data from recovery?
saif.paktin
- Aug 2nd, 2009
When you plan to delete your personal data from your computer and you do not like to some one recover it back then do this.1. Change the extension of file which you want to delete.Example the file you...
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Process and a Program
What is the difference between process and program? Is this difference important in single process operating system? Why? Why not?
indu_sweety
- Jul 10th, 2009
Program is passive entity. After executing the program it becomes process, means it is active entity.
ankscorek
- Mar 8th, 2009
Process is a passive entity whereas Program is an active entityProcess can fork out to enable exec of their children.
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UNIX Scheduling
Which is the scheduling used by UNIX?
anukriti
- Jul 5th, 2009
FCFS schedulingSJFS (premptive and non premptive)Priority SchedulingRR scheduling!
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IRQ
What is IRQ?
ROHIT_4444
- Jun 26th, 2009
Stands for "Interrupt Request." PCs use interrupt requests to manage various hardware operations. Devices such as sound cards, modems, and keyboards can all send interrupt requests to the processor. F...
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Dual Core Processor
What is difference between dual core and core 2 duo processors?
rustosubhash
- Jun 8th, 2009
These term are related to speed of processor in the machine ,The Dual core is four ?time faster than the pentium4 and the core 2 duo is two times faster than the dual core, it means core 2 duo is 8 time faster than a pentium4.Subhash patel
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Speed Screen
Explain What is Speed Screen?
rritesht
- May 14th, 2009
Quite simply, SLR is technology built into MetaFrame Presentation Servers and ICA clients that allows users to experience smooth typing in environments where there is high latency between the ICA clie...
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Subprogram Calling
What happens in OS when a subprogram is called?(Related hardware registers)
vurukalasc
- Apr 30th, 2009
When a sub program is called all the temporary results are stored in process status word (psw) and the return address is stored in the stack.
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