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Recent questions under tag os

+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
0 votes
1 answer
OS : How file duping works ?
posted Jul 23, 2014 by Harshita
  • os
  • linux
0 votes
2 answers
OS : How does "ls * > output.txt" work ?
posted Jul 23, 2014 by Harshita
  • os
  • linux
0 votes
1 answer
Compiler : What is meaning of the term trampoline arrangement in case of library ?
posted Jul 9, 2014 by Sachidananda Sahu
  • compiler
  • os
  • library
0 votes
1 answer
Does anyone explain md5sum and chksum in Unix file system
posted Jul 5, 2014 by Amit Kumar Pandey
  • unix
  • os
  • linux
0 votes
1 answer
Linux : What is address space layout randomization in linux ?
posted Jul 4, 2014 by Sachidananda Sahu
  • os
  • linux
  • compiler
+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
0 votes
1 answer
OS: What is Belady's Anomaly ?
posted Jun 28, 2014 by Harshita
  • os
  • operating system
+1 vote
1 answer
OS: Can someone please explain priority inversion through an example ?
posted Jun 24, 2014 by Neelam
  • os
+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
+1 vote
1 answer
How sbrk and mmap system calls are functionally different ?
posted Jun 22, 2014 by Ganesh
  • os
  • linux
  • systemcall
0 votes
1 answer
What is Semaphore, what is significance of .sem file created?
posted Jun 22, 2014 by Amit Kumar Pandey
  • os
  • semaphore
+1 vote
1 answer
OS: what is difference between system call and api?
posted Jun 22, 2014 by Amit Kumar Pandey
  • os
  • systemcall
  • api
+1 vote
1 answer
What is the difference between Thread safety vs Re entrancy
posted Jun 21, 2014 by Amit Kumar Pandey
  • os
  • reentrant
  • threadsafe
0 votes
1 answer
What is the meaning of thread safe code in context of OS?
posted Jun 21, 2014 by Amit Kumar Pandey
  • os
  • threadsafe
+1 vote
0 answers
OS: What type of code can be called re-entrant code?
posted Jun 21, 2014 by Amit Kumar Pandey
  • os
  • reentrant
+1 vote
0 answers
OS: How does conditional variable achieve synchronization ?
posted Jun 21, 2014 by Neelam
  • os
  • linux
+1 vote
0 answers
Media Server: Can Someone lease explain the Architecture of the Digital Signal Processor (DSP)
posted Jun 15, 2014 by anonymous
  • media server
  • os
+2 votes
0 answers
OS: Can thread priority be changed at the run time ?
posted Jun 13, 2014 by Rupam
  • os
  • linux
  • unix
+1 vote
1 answer
How client and server computers update their DNS names?
posted Jun 10, 2014 by Upma
  • networking
  • os
  • dns
+1 vote
1 answer
Unix: why does different types of shells present in Unix ?
posted Jun 7, 2014 by Ganesh
  • unix
  • os
+1 vote
1 answer
OS: Difference between segmentation and paging ?
posted Jun 3, 2014 by Vikram Singh
  • os
  • operating system
0 votes
0 answers
OS: Is there any technique to avoid internal fragmentation and which are all OS use such technique ?
posted Jun 2, 2014 by Vikram Singh
  • os
  • operating system
  • memory
+1 vote
0 answers
OS: Differences between compile time, load time and execution time bindings ?
posted Jun 1, 2014 by Vikram Singh
  • operating system
  • os
0 votes
1 answer
OS: What's difference between hardware interrupt and software interrupt ?
posted Jun 1, 2014 by Ganesh Kumar
  • os
  • linux
  • unix
  • operating system
+1 vote
2 answers
What is compaction in context of operating system?
posted May 31, 2014 by Amit Kumar Pandey
  • os
  • operating system
+1 vote
1 answer
What is the meaning of dispatch latency in context of operating system?
posted May 31, 2014 by Amit Kumar Pandey
  • os
  • operating system
0 votes
1 answer
What is mounting in context of OS?
posted May 31, 2014 by Amit Kumar Pandey
  • os
  • operating system
+1 vote
1 answer
What is placement and replacement algorithms?
posted May 31, 2014 by Amit Kumar Pandey
  • os
+1 vote
1 answer
What is monitors ? How are they different from semaphores?
posted May 31, 2014 by Amit Kumar Pandey
  • os
0 votes
1 answer
When a system in safe state?
posted May 31, 2014 by Amit Kumar Pandey
  • os
+1 vote
0 answers
OS : How does signal handler work ?
posted May 31, 2014 by Ganesh Kumar
  • os
  • linux
  • signal
+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
+1 vote
1 answer
Which RTOS supports Non-Preemptive scheduling? Why other scheduling methods are supported by such Oses?
posted May 9, 2014 by Prachi Sharma
  • os
  • rtos
+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
+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
+1 vote
2 answers
Installing Multiple Operating System in my PC?
posted Apr 30, 2014 by Aarati Mahajan
  • os
  • rhel
  • dos
+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
+5 votes
2 answers
What are message queues and pipes ?
posted Feb 2, 2014 by Anuj Yadav
  • os
  • rtos
  • vxworks
  • windows
+2 votes
4 answers
What is the difference between Linux and UNIX operating systems?
posted Jan 22, 2014 by anonymous
  • linux
  • unix
  • os
+1 vote
2 answers
How to recover deleted files using python?
posted Dec 26, 2013 by Jagan Mishra
  • python
  • os
+4 votes
1 answer
Difference between unitasking and multitasking ?
posted Dec 10, 2013 by Diya Sharma
  • os
  • rtos
  • vxworks
  • linux
+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
+2 votes
1 answer
What are various types of fragmentation in context of operating system?
posted Dec 2, 2013 by anonymous
  • os
+4 votes
1 answer
What is busy waiting in context of operating system?
posted Dec 2, 2013 by anonymous
  • os
+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
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