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Kernel And Functions of Kernel

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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

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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

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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

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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

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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

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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...