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Most voted questions under tag os

+3 votes
1 answer
What is the meaning of Reentrancy in operating system?
posted Nov 21, 2013 by Luv Kumar
  • os
  • c programming
+3 votes
1 answer
OS: Difference between pipe and fifo ?
posted Nov 15, 2013 by Ganesh Kumar
  • os
  • c programming
  • c
+3 votes
1 answer
What is the use of setuid bit in Linux?
posted Nov 12, 2013 by Sheetal Chauhan
  • linux
  • os
+3 votes
2 answers
WAP to check that system is 32 bit or 64 bit ?
posted Nov 8, 2013 by Anuj Yadav
  • c
  • os
+3 votes
2 answers
Is a + b atomic operation ??
posted Nov 6, 2013 by Vikas Upadhyay
  • c programming
  • c
  • os
+3 votes
1 answer
How much memory calloc and malloc can allocate ?
posted Oct 18, 2013 by Neeraj Mishra
  • c
  • c programming
  • os
+3 votes
2 answers
Can we change the inode table entries for a file in unix system ? If yes then how ?
posted Sep 30, 2013 by Vikram Singh
  • os
  • linux
  • file system
+3 votes
1 answer
What is the advantage of having virtual address space concept in OS ?
posted Sep 29, 2013 by Vimal Kumar Mishra
  • os
+3 votes
1 answer
who initiates priority in scheduling in RTOS?
posted Sep 21, 2013 by Giri Prasad
  • linux
  • os
  • c
  • rtos
+3 votes
2 answers
I heard like far, near, huge pointer ? what it has significance and when these can be used ?
posted Sep 20, 2013 by Ganesh Kumar
  • c programming
  • compiler
  • os
+3 votes
1 answer
What is Symmetric Multi Processing in th context of operating system ?
posted Sep 20, 2013 by Ganesh Kumar
  • os
+2 votes
1 answer
Confused with 32/64 bit HW, OS and Binary, Listed few queries in description
posted Aug 3, 2018 by anonymous
  • linux
  • windows
  • os
  • hardware
+2 votes
1 answer
What are the necessary conditions for deadlock to happen and why?
posted Nov 2, 2017 by anonymous
  • operating system
  • os
  • interview questions
+2 votes
1 answer
How spooling removes the drawback of serial processing?
posted Jul 18, 2016 by anonymous
  • operating system
  • os
+2 votes
0 answers
What are the advantages and disadvantages of an inverted page table as compared to a normal page table?
posted May 26, 2016 by anonymous
  • operating system
  • os
+2 votes
1 answer
Linux is kernel or OS?
posted Dec 9, 2015 by Chirag Gangdev
  • linux
  • os
  • kernel
+2 votes
0 answers
What is workload in terms of processes?
posted Oct 21, 2015 by anonymous
  • os
  • hp-ux
  • linux
+2 votes
1 answer
How two OS shares file information if both are installed on single machine?
posted Sep 10, 2015 by anonymous
  • os
  • linux
  • windows
  • file system
+2 votes
0 answers
Please explain paging and demand paging process in detail?
posted Jul 24, 2015 by anonymous
  • operating system
  • os
  • scheduling
+2 votes
1 answer
What is the difference between dynamic and static linking?
posted Jul 21, 2015 by anonymous
  • operating system
  • os
+2 votes
1 answer
What are the various states of a process?
posted Jul 13, 2015 by anonymous
  • operating system
  • os
  • process
+2 votes
2 answers
What is Batch processing and what are its advantages and disadvantages?
posted Jul 13, 2015 by anonymous
  • operating system
  • os
+2 votes
0 answers
What is an idle thread and does it really exist ? How can a programmer create such thread ?
posted Dec 28, 2014 by Harshita
  • operating system
  • os
+2 votes
1 answer
c++: What is pointer to member? Can someone please explain with an example?
posted Dec 20, 2014 by Amit Kumar Pandey
  • c programming
  • os
+2 votes
1 answer
What is cache-coherency and how does it maintain ?
posted Dec 14, 2014 by Neeraj Mishra
  • operating system
  • os
+2 votes
1 answer
What does mean by dual-mode operation in the context of operating system ?
posted Dec 11, 2014 by Ganesh Kumar
  • operating system
  • os
+2 votes
1 answer
How thread acquires mutex lock ?
posted Dec 2, 2014 by Bheemappa G
  • os
  • threads
  • multithreading
  • c
+2 votes
1 answer
What is a drawback of MVT ?
posted Nov 27, 2014 by Ganesh Kumar
  • os
  • operating system
+2 votes
1 answer
What does mean of MBR(Master Boot record) in context of OS?
posted Nov 4, 2014 by Amit Kumar Pandey
  • os
  • operating system
  • c
+2 votes
0 answers
What does mean of Data Alignment in Context of C, Is alignment applied for stack?
posted Nov 4, 2014 by Amit Kumar Pandey
  • c
  • os
+2 votes
0 answers
How a system can be prevented from deadlock ?
posted Sep 1, 2014 by Neelam
  • os
  • operating system
+2 votes
0 answers
How does Stream-based pipes work ?
posted Aug 25, 2014 by Harshita
  • os
+2 votes
1 answer
Linux: How linux operating system handles background processes ?
posted Jul 30, 2014 by Harshita
  • os
  • linux
  • unix
+2 votes
1 answer
Use case to check re-entrancy of a function ?
posted Jul 30, 2014 by Harshita
  • os
  • reentrant
  • threadsafe
+2 votes
0 answers
Pre-condition to make a piece of code re-entrant ?
posted Jul 30, 2014 by Ganesh
  • os
  • reentrant
+2 votes
1 answer
OS: What does mean of "rendezvous" condition in the context of operating system ?
posted Jun 28, 2014 by Harshita
  • os
  • operating system
+2 votes
0 answers
OS: How can make sure process creation is more expensive that thread creation ?
posted Jun 23, 2014 by Rupam
  • os
  • linux
  • unix
+2 votes
0 answers
OS: Can thread priority be changed at the run time ?
posted Jun 13, 2014 by Rupam
  • os
  • linux
  • unix
+2 votes
2 answers
What is priority inversion and What are the various methods to overcome it?
posted May 13, 2014 by Varun Kumar
  • os
+2 votes
1 answer
OS: What is the orphan process and how it can be created ?
posted May 8, 2014 by Ganesh Kumar
  • os
  • linux
+2 votes
1 answer
NTP : How does a system (client) synchronize with a NTP server at the granularity of microseconds ?
posted May 4, 2014 by Vimal Kumar Mishra
  • os
  • networking
+2 votes
1 answer
OS: Hyper threading ?
posted May 3, 2014 by Harshita
  • os
+2 votes
1 answer
Linux: How to check a particular port is already being used by some executable ?
posted Apr 29, 2014 by Harshita
  • linux
  • os
+2 votes
4 answers
What is the difference between Linux and UNIX operating systems?
posted Jan 22, 2014 by anonymous
  • linux
  • unix
  • os
+2 votes
1 answer
What are various types of fragmentation in context of operating system?
posted Dec 2, 2013 by anonymous
  • os
+2 votes
2 answers
OS: What is the use of sticky bit?
posted Nov 12, 2013 by Ganesh Kumar
  • os
  • linux
+2 votes
1 answer
Which data structure is used to store a file into memory and why?
posted Nov 1, 2013 by Meenal Mishra
  • data structures
  • os
+2 votes
1 answer
Difference between TSR and TSO program ?
posted Oct 21, 2013 by Neeraj Mishra
  • os
  • c
  • c programming
+2 votes
1 answer
Difference between embedded system and computer system ?
posted Oct 17, 2013 by Vikram Singh
  • os
  • hardware
+2 votes
1 answer
OS: How RPC works ? Can someone please provide real life example ?
posted Oct 17, 2013 by Vikram Singh
  • os
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