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Question posted by Hussain

+2 votes
1 answer
What is nohup in UNIX?
posted Dec 14, 2015
  • unix
  • operating system
+1 vote
1 answer
How do you find which processes are using a particular file?
posted Dec 14, 2015
  • unix
  • operating system
+3 votes
1 answer
How do you set environment variable which will be accessible form sub shell?
posted Dec 14, 2015
  • unix
+1 vote
2 answers
What is "chmod" command? What do you understand by this line “r-- -w- --x?
posted Dec 9, 2015
  • linux
  • operating system
+1 vote
3 answers
How do you find how many cpu are in your system and there details?
posted Dec 9, 2015
  • linux
  • operating system
+1 vote
1 answer
Write a function that finds the last instance of a character in a string?
posted Nov 27, 2015
  • c programming
  • data structures
+3 votes
1 answer
How would you implement a hash table ? How do you deal with collisions?
posted Nov 27, 2015
  • c programming
  • data structures
+3 votes
1 answer
Write a routine that prints out a 2-D array in spiral order?
posted Nov 27, 2015
  • c
  • data structures
+3 votes
1 answer
Explain setjmp() and longjmp() Functions in Standard C Library with Examples?
posted Nov 23, 2015
  • c programming
+3 votes
2 answers
Write a function to find the depth of a binary tree? Please give sample code?
posted Nov 23, 2015
  • data structures
  • c
+1 vote
2 answers
Can we specify variable field width in a scanf() format string? If possible how?
posted Nov 18, 2015
  • c programming
+1 vote
1 answer
Out of fgets() and gets() which function is safe to use and why?
posted Nov 18, 2015
  • c programming
+3 votes
2 answers
What is the difference between: #include <stdio.h> and #include "stdio.h"?
posted Nov 5, 2015
  • c programming
+3 votes
2 answers
Write Program using fprintf() print single floating point number right justified.......?
posted Nov 5, 2015
  • c programming
+1 vote
1 answer
What is difference between HardLink and SoftLink in UNIX?
posted Nov 2, 2015
  • linux
+1 vote
0 answers
What is difference between ps -ef and ps -auxwww?
posted Nov 2, 2015
  • unix
  • linux
+2 votes
1 answer
Find minimum distance between two words (order preserved) in a big string?
posted Oct 30, 2015
  • c
  • c++
  • string
  • data structures
+3 votes
0 answers
Explain the complete automation design and What have you contributed in the automation framework?
posted Oct 30, 2015
  • software engineering
+2 votes
1 answer
How to find if a given expression is a valid arithmetic expression?
posted Oct 30, 2015
  • c
  • c programming
  • c++
+1 vote
1 answer
Your application home directory is full? How will you find which directory is taking how much space?
posted Oct 14, 2015
  • linux
  • operating system
+1 vote
1 answer
You have an IP address in your network how will you find hostname and vice versa?
posted Oct 14, 2015
  • operating system
  • linux
+5 votes
1 answer
What is swappiness in Linux Memory Management and how do we configure that ?
posted Oct 13, 2015
  • linux
  • operating system
+4 votes
1 answer
What is inode ? Briefly explain the structure ?
posted Oct 13, 2015
  • linux
  • operating system
+5 votes
1 answer
What is rDNS and explain its benefits in the Linux Domain Name Systems ?
posted Oct 8, 2015
  • operating system
  • linux
+5 votes
1 answer
Explain the different Scenarios involved in TCP 3 way handshake ?
posted Oct 8, 2015
  • networking
  • operating system
+3 votes
1 answer
What is drop cache in Linux and how do you clear it ?
posted Oct 7, 2015
  • linux
+2 votes
1 answer
Please give an example for: Switch the integer values stored in two registers without using any additional memory?
posted Oct 7, 2015
  • c++
  • c programming
+2 votes
1 answer
In the ps results few of the processes are having process state as "D" . What does it mean ?
posted Sep 29, 2015
  • operating system
  • linux
+3 votes
1 answer
Explain briefly the procedure for re-installing Grub in Linux ?
posted Sep 29, 2015
  • 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
  • unix
  • operating system
+1 vote
1 answer
What is DRAM? In which form does it store data?
posted Sep 7, 2015
  • operating system
+1 vote
1 answer
What are the different functions of Syntax phase, Scheduler?
posted Sep 7, 2015
  • operating system
  • os
+1 vote
1 answer
Explain about paged segmentation and segment paging?
posted Sep 7, 2015
  • operating system
  • os
+3 votes
1 answer
Parenthesis are never needed in prefix or postfix expressions. Why?
posted Aug 28, 2015
  • data structures
+4 votes
1 answer
What do you mean by Base case, Recursive case, Binding Time, Run-Time Stack and Tail Recursion?
posted Aug 28, 2015
  • data structures
+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
  • operating system
  • process
+3 votes
1 answer
What is a mission critical system ?
posted Aug 26, 2015
  • operating system
  • scheduling
  • process
+4 votes
1 answer
What is disk interleaving and why is disk interleaving adopted?
posted Aug 24, 2015
  • 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
  • data structures
  • operating system
+4 votes
1 answer
What are the different tasks of Lexical analysis?
posted Aug 18, 2015
  • operating system
+3 votes
1 answer
What are the main difference between Micro-Controller and Micro- Processor?
posted Aug 18, 2015
  • processors
  • operating system
+3 votes
1 answer
What is the average number of comparisons needed in a sequential search ....?
posted Aug 17, 2015
  • data structures
+3 votes
0 answers
When will you sort an array of pointers to list elements, rather than sorting the elements themselves?
posted Aug 17, 2015
  • data structures
+1 vote
1 answer
A list is ordered from smaller to largest. Which sort would take the longest and shortest time to execute?
posted Aug 12, 2015
  • data structures
  • sort
+3 votes
1 answer
In which data structure, elements can be added or removed at either end, but not in the middle?
posted Aug 11, 2015
  • data structures
+3 votes
1 answer
Write a Java program to sort a array using Bubble Sort algorithm?
posted Aug 11, 2015
  • java
  • data structures
  • array
+4 votes
2 answers
In an integer array, there is 1 to 100 number, out of one is duplicate, how to find ?
posted Aug 7, 2015
  • data structures
+3 votes
1 answer
How to find 3rd element from end in a linked list in one pass?
posted Aug 7, 2015
  • data structures
  • linklist
+4 votes
1 answer
What is the purpose of swapping in virtual memory?
posted Aug 5, 2015
  • operating system
  • virtual memory
  • memory management
+3 votes
1 answer
What is virtual memory, how is it implemented, and why do operating systems use it?
posted Aug 5, 2015
  • operating system
  • memory management
  • virtual memory
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