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Kernel And Functions of Kernel

KernelKernel is the core part of Unix Operating System, Unix has Kernel based architecture, A Kernel is responsible for the communication with the hardware. A Kernel provides various kinds of services for the Operating...


QBASIC PROGRAMMING Variable In programming environment the variable is nothing but a location where the value being stored for different types of operation. The value of the variable can be changed during the program execution more...

Unix File System

Unix File SystemUnix treats everything in terms of file, all the information, programs data in Unix is stored as file. The directory in Unix is also a file that contains the links of other...

Data Representation

Data Representation:Data representation describes how data is represented in a computer. The data fed to a computer, and the output from the computer, must be in a form which is usable by the people,...

QBasic Operators and Input, Output

Operator Symbolic structure, expression x=y+z x>y Arithmetical, logical , shift types 1. Arithmetical +, - *, /, ,^,mod 2. Relational Opeartor <, >,<=,>=,<> 3. Logical Operator and, or, not 4. Assignment Operator = 5. Pattern matching Operator like, eqv, is Input output statement 1. Output Operation print...
unix and features

UNIX Operating System And Features

Unix is a Multiuser, Multitasking, Multiprogramming, Time-sharing systems, CUI & Network OS Developed at Bell Laboratories by Ken Thompson and Dennis M. Ritchie in 1970. Most part of the Unix OS is written in...