Could you tell something about the Unix System Kernel?

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The kernel is the heart of the UNIX openrating system, it’s reponsible for controlling the computer’s resouces and scheduling user jobs so that each one gets its fair share of resources.

2012-04-04, 3037👍, 0💬

What is a Makefile? C++
What is a Makefile? C++ Makefile is a utility in Unix to help compile large programs. It helps by only compiling the portion of the program that has been changed. A Makefile is the file and make uses to determine what rules to apply. make is useful for far more than compiling programs. 2012-04-06, 4080👍, 0💬

What is deadlock? C++
What is deadlock? C++ Deadlock is a situation when two or more processes prevent each other from running. Example: if T1 is holding x and waiting for y to be free and T2 holding y and waiting for x to be free deadlock happens. 2012-04-09, 4000👍, 0💬

What is RTTI? C++
What is RTTI? C++ Answer1. RTTI stands for "Run Time Type Identification". In an inheritance hierarchy, we can find out the exact type of the objet of which it is member. It can be done by using: 1) dynamic id operator 2) typecast operator Answer2. RTTI is defined as follows: Run Time Type Informati... 2012-04-02, 3686👍, 0💬

Virtual Destructor - What is the need for “Virtual Destructor”?
Virtual Destructor - What is the need for “Virtual Destructor”? Destructors are declared as virtual because if do not declare it as virtual the base class destructor will be called before the derived class destructor and that will lead to memory leak because derived class’s objects will not get fre... 2012-04-03, 3677👍, 0💬

What is output equal to in Bitwise Operations - ...
What is output equal to in Bitwise Operations - ... What is output equal to in Bitwise Operations - Given inputs X, Y, Z and operations | and & (meaning bitwise OR and AND, respectively), what is output equal to in? output = (X & Y) | (X & Z) | (Y & Z); 2012-04-04, 3623👍, 0💬

Differences of C and C++ Could you write a small program that will compile in “C” but not in “C++”?
Differences of C and C++ Could you write a small program that will compile in “C” but not in “C++”? In C, if you can a const variable e.g. const int i = 2; you can use this variable in other module as follows extern const int i; C compiler will not complain. But for C++ compiler u must write extern... 2012-04-03, 3435👍, 0💬

Give 4 examples which belongs application layer in TCP/IP architecture?
Give 4 examples which belongs application layer in TCP/IP architecture? FTP, TELNET, HTTP and TFTP 2012-04-05, 3298👍, 0💬

What’s the meaning of ARP in TCP/IP?
What’s the meaning of ARP in TCP/IP? The "ARP" stands for Address Resolution Protocol. The ARP standard defines two basic message types: a request and a response. a request message contains an IP address and requests the corresponding hardware address; a replay contains both the IP address, sent in ... 2012-04-06, 3281👍, 0💬

What are each of the standard files and what are they normally associated with?
They are the standard input file, the standard output file and the standard error file. The first is usually associated with the keyboard, the second and third are usually associated with the terminal screen. Detemine the code below, tell me exectly how many times is the operation sum++ performed ? ... 2012-04-05, 3048👍, 0💬

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