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Most voted questions under tag operating system

+5 votes
1 answer
What is swappiness in Linux Memory Management and how do we configure that ?
posted Oct 13, 2015 by Mohammed Hussain
  • linux
  • operating system
+5 votes
1 answer
What is rDNS and explain its benefits in the Linux Domain Name Systems ?
posted Oct 8, 2015 by Mohammed Hussain
  • operating system
  • linux
+5 votes
1 answer
Explain the different Scenarios involved in TCP 3 way handshake ?
posted Oct 8, 2015 by Mohammed Hussain
  • networking
  • operating system
+4 votes
1 answer
What is inode ? Briefly explain the structure ?
posted Oct 13, 2015 by Mohammed Hussain
  • linux
  • operating system
+4 votes
1 answer
What is disk interleaving and why is disk interleaving adopted?
posted Aug 24, 2015 by Mohammed Hussain
  • operating system
+4 votes
0 answers
What sort of technique you would use to update a set of files over a network, where a server contains the master copy?
posted Aug 24, 2015 by Mohammed Hussain
  • data structures
  • operating system
+4 votes
1 answer
What are the different tasks of Lexical analysis?
posted Aug 18, 2015 by Mohammed Hussain
  • operating system
+4 votes
1 answer
What is the purpose of swapping in virtual memory?
posted Aug 5, 2015 by Mohammed Hussain
  • operating system
  • virtual memory
  • memory management
+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
0 answers
How does Linux system handle background process internally ?
posted Jan 21, 2015 by Vikram Singh
  • linux
  • unix
  • os
  • operating system
+3 votes
1 answer
Open system call in linux
posted May 10, 2016 by Shivam Kumar Pandey
  • linux
  • operating system
  • c
  • os
+3 votes
3 answers
Why cache memory is faster than RAM?
posted Mar 18, 2016 by Chirag Gangdev
  • operating system
  • memory
+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
1 answer
Reasons why we see application hang problems?
posted Dec 28, 2015 by Manikandan J
  • programming
  • operating system
+3 votes
1 answer
What is protection rings in the PC architecture?
posted Dec 22, 2015 by Mohammed Hussain
  • operating system
+3 votes
0 answers
What will happen if one of your web-server or appserver crashs during its execution?
posted Dec 22, 2015 by Mohammed Hussain
  • unix
  • operating system
+3 votes
1 answer
Explain briefly the procedure for re-installing Grub in Linux ?
posted Sep 29, 2015 by Mohammed Hussain
  • linux
  • operating system
+3 votes
1 answer
How do you check if a particular process is listening on a particular port on remote host?
posted Sep 22, 2015 by Mohammed Hussain
  • unix
  • operating system
+3 votes
1 answer
If two processes which shares same system memory and system clock in a distributed system, What is it called?
posted Aug 26, 2015 by Mohammed Hussain
  • operating system
  • process
+3 votes
1 answer
What is a mission critical system ?
posted Aug 26, 2015 by Mohammed Hussain
  • operating system
  • scheduling
  • process
+3 votes
1 answer
What are the main difference between Micro-Controller and Micro- Processor?
posted Aug 18, 2015 by Mohammed Hussain
  • processors
  • operating system
+3 votes
1 answer
What is virtual memory, how is it implemented, and why do operating systems use it?
posted Aug 5, 2015 by Mohammed Hussain
  • operating system
  • memory management
  • virtual memory
+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
2 answers
What is Priority Based Scheduling for processes in an Operating System, please explain with detail?
posted Jul 15, 2015 by anonymous
  • operating system
  • scheduling
  • process
+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
1 answer
When does the condition 'rendezvous' arise?
posted May 22, 2015 by Shivaranjini
  • operating system
+3 votes
1 answer
What is NOS?
posted May 22, 2015 by Shivaranjini
  • operating system
+3 votes
1 answer
What is process spawning?
posted May 22, 2015 by Shivaranjini
  • operating system
+3 votes
1 answer
What are the sub-components of I/O manager in Windows NT?
posted May 11, 2015 by Shivaranjini
  • operating system
+3 votes
1 answer
How would a filenamed EXAMPLEFILE.TXT appear when viewed under the DOS command console operating in Windows 98?
posted May 11, 2015 by Shivaranjini
  • operating system
+3 votes
1 answer
Detailed info about snooping used in cache Cache Coherency ?
posted Apr 23, 2015 by Sachidananda Sahu
  • operating system
  • linux
+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
1 answer
What is logical and physical address space ?
posted Dec 11, 2014 by Harshita
  • operating system
+3 votes
2 answers
What is process synchronization ?
posted Dec 6, 2014 by Vikram Singh
  • os
  • operating system
+3 votes
1 answer
What Is Disk Scheduling? Type Of Disk Scheduling?
posted Nov 29, 2014 by Vrije Mani Upadhyay
  • operating system
+3 votes
0 answers
What is page cannibalizing ?
posted Nov 27, 2014 by Ganesh Kumar
  • os
  • operating system
+3 votes
1 answer
What is process migration and where it is exactly used ?
posted Nov 14, 2014 by Neeraj Mishra
  • operating system
+3 votes
1 answer
What is daemon ?
posted Nov 13, 2014 by Ganesh Kumar
  • operating system
+3 votes
1 answer
What is fragmentation and it's type ?
posted Nov 13, 2014 by Neeraj Mishra
  • 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
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
1 answer
Difference between text and binary files ?
posted Sep 19, 2014 by Harshita
  • operating system
+3 votes
1 answer
What is the difference between preemptive scheduling and time slicing?
posted Mar 25, 2014 by Neeraj Pandey
  • operating system
  • scheduling
+3 votes
0 answers
Peterson's solution to the critical section problem, is not guaranteed on modern architecture why?
posted Dec 28, 2013 by Atiqur Rahman
  • operating system
  • programming
+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
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