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Most voted questions under tag os

+8 votes
1 answer
What is cycle stealing and how it improve the system performance?
posted Nov 21, 2013 by anonymous
  • os
+8 votes
2 answers
Why there is two part of data section (UnInitialized and Initialized) ??
posted Oct 1, 2013 by Vikas Upadhyay
  • c programming
  • os
  • c
+7 votes
1 answer
How linux mutex is differ from mutex in VxWorks ??
posted Oct 21, 2013 by Vikas Upadhyay
  • os
  • linux
  • vxworks
  • mutex
+6 votes
1 answer
OS: What is the Translation Lookaside Buffer
posted Nov 21, 2013 by anonymous
  • os
  • linux
+5 votes
0 answers
I am running Kali Linux on my pc as a virtual machine on Vmware player, but my wifi is not working on it any suggestion?
posted Mar 25, 2016 by Shahsikant Dwivedi
  • linux
  • os
+5 votes
0 answers
what is Plural Sight?
posted Dec 8, 2014 by Khusboo
  • os
+5 votes
2 answers
What are message queues and pipes ?
posted Feb 2, 2014 by Anuj Yadav
  • os
  • rtos
  • vxworks
  • windows
+5 votes
1 answer
What is difference between VxWorks and GPOS ?
posted Dec 10, 2013 by Vikas Upadhyay
  • vxworks
  • os
  • rtos
+5 votes
3 answers
.What is diference between monolithic kernel and micro kernel ?
posted Dec 10, 2013 by Mona Sharma
  • linux
  • vxworks
  • os
  • rtos
+5 votes
2 answers
What is the use of structure padding in C?
posted Nov 24, 2013 by sivanraj
  • data structures
  • c
  • c programming
  • os
+5 votes
1 answer
What are the conditions that lead to a deadlock in a system?
posted Nov 21, 2013 by Luv Kumar
  • linux
  • os
+5 votes
1 answer
How many process will be created ??
posted Nov 4, 2013 by Mona Sharma
  • os
  • c
+5 votes
1 answer
what is the difference between spin lock and condition mutex ??
posted Oct 26, 2013 by Vikas Upadhyay
  • os
  • c
+4 votes
1 answer
What is the difference between kernel level thread and user level thread?
posted Jul 18, 2015 by anonymous
  • threads
  • process
  • operating system
  • os
+4 votes
1 answer
Explain programmed I/O and interrupt I/O. How they differ
posted Apr 22, 2015 by Vrije Mani Upadhyay
  • os
+4 votes
0 answers
How does Linux system handle background process internally ?
posted Jan 21, 2015 by Vikram Singh
  • linux
  • unix
  • os
  • operating system
+4 votes
1 answer
Difference between unitasking and multitasking ?
posted Dec 10, 2013 by Diya Sharma
  • os
  • rtos
  • vxworks
  • linux
+4 votes
1 answer
What is busy waiting in context of operating system?
posted Dec 2, 2013 by anonymous
  • os
+4 votes
1 answer
Difference between Hard and Soft real-time systems?
posted Nov 18, 2013 by anonymous
  • os
  • rtos
+4 votes
2 answers
What is the difference between elf and a.out ?
posted Nov 8, 2013 by Anuj Yadav
  • os
  • c
  • linux
+4 votes
1 answer
What is the difference between RUDP and UDP?
posted Nov 8, 2013 by Vikas Upadhyay
  • networking
  • os
  • udp
+4 votes
0 answers
Is context switching possible in the process of function loading?
posted Nov 6, 2013 by Vikas Upadhyay
  • c
  • os
+4 votes
1 answer
Why Android can not be treated as a standalone OS for a PC?
posted Oct 30, 2013 by Sonu Jindal
  • android
  • os
+4 votes
1 answer
Can we use socket instead of message queue?
posted Oct 29, 2013 by Vikas Upadhyay
  • os
  • vxworks
  • linux
+4 votes
1 answer
Mutex unlock from different thread?
posted Oct 14, 2013 by Vikas Upadhyay
  • c
  • os
  • c programming
+4 votes
2 answers
Difference between synchronous and asynchronous interrupt ?
posted Sep 29, 2013 by Neeraj Mishra
  • os
  • interrupt
+4 votes
1 answer
How mutual exclusion will be ensured in Multi-core processors?
posted Sep 23, 2013 by Arvind Singh
  • os
+4 votes
2 answers
How can you change the priority of threads?
posted Sep 21, 2013 by Giri Prasad
  • c
  • linux
  • gdb
  • gcc
  • os
+4 votes
3 answers
what is the difference between mutex and binary semaphore ?
posted Sep 8, 2013 by Sony Mohanty
  • os
+3 votes
1 answer
Open system call in linux
posted May 10, 2016 by Shivam Kumar Pandey
  • linux
  • operating system
  • c
  • os
+3 votes
1 answer
OS: Difference between formatted piping and low level piping and when to use what ?
posted Feb 27, 2016 by Harshita
  • operating system
  • os
  • ipc
+3 votes
2 answers
What is the difference between Bootloader and Boot Manager?
posted Feb 16, 2016 by anonymous
  • linux
  • windows
  • os
  • boot
+3 votes
2 answers
What is DMA i.e. direct memory access, please describe in detail?
posted Aug 1, 2015 by anonymous
  • operating system
  • os
+3 votes
2 answers
What is a Thread and how it is different from Process?
posted Jul 18, 2015 by anonymous
  • operating system
  • os
  • threads
  • process
+3 votes
2 answers
What is Round Robin Scheduling for processes in an Operating System and why this is a preferred choice?
posted Jul 15, 2015 by anonymous
  • operating system
  • process
  • scheduling
  • os
+3 votes
1 answer
What is the need of three scheduler i.e Long Term, Short Term and Medium Term Scheduler in an OS?
posted Jul 14, 2015 by anonymous
  • operating system
  • os
+3 votes
0 answers
What is a PCB i.e. Process Control Block in context of OS why it is needed and what are the advantage of it?
posted Jul 14, 2015 by anonymous
  • process
  • os
  • operating system
+3 votes
1 answer
What is Spooling in context of OS?
posted Jul 13, 2015 by anonymous
  • os
  • operating system
+3 votes
0 answers
How many processes can run at a same time?
posted Jun 10, 2015 by anonymous
  • os
  • process
+3 votes
1 answer
How to Check if Your Sun OS System is 32-bit or 64-bit?
posted Apr 11, 2015 by Amit Kumar Pandey
  • os
  • sun os
+3 votes
1 answer
What does signify the following terms in the context of an operating system ?
posted Jan 26, 2015 by Harshita
  • os
  • operating system
+3 votes
2 answers
What is process synchronization ?
posted Dec 6, 2014 by Vikram Singh
  • os
  • operating system
+3 votes
1 answer
Spinlocks should be avoided in uniprocessor contexts. Why is this?
posted Dec 2, 2014 by Bheemappa G
  • c
  • os
  • threads
  • c programming
+3 votes
1 answer
What Are Multi Tasking, Multi Programming And Multi Threading?
posted Nov 29, 2014 by Vrije Mani Upadhyay
  • os
+3 votes
0 answers
What is page cannibalizing ?
posted Nov 27, 2014 by Ganesh Kumar
  • os
  • operating system
+3 votes
2 answers
How NOS differ from any other OS ?
posted Oct 17, 2014 by Harshita
  • networking
  • os
  • operating system
+3 votes
1 answer
How would you measure the time spent in a context switch?
posted Oct 11, 2014 by Kali Mishra
  • os
+3 votes
0 answers
How many Buffered Memory size required to display the single pixel on screen?
posted Sep 27, 2014 by anonymous
  • operating system
  • os
+3 votes
2 answers
Paging v/s Segmentation ?
posted Sep 19, 2014 by Harshita
  • operating system
  • os
+3 votes
0 answers
C: In a multi-threaded program, how a system make sure one thread shall not corrupt other thread address space ?
posted May 2, 2014 by Harshita
  • c programming
  • os
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