Unix & Linux File System in Operating System
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24 partial-orderings
24 partial-orderingsMeghaj Mallick This document defines and provides examples of partial order relations. It discusses the key properties of a partial order being reflexive, antisymmetric, and transitive. Examples are given to show that the relation of greater than or equal to (≥) forms a partial order on integers, while division (|) forms a partial order on positive integers. The document also discusses comparability, total orders, well-ordered sets, and Hasse diagrams which are used to visually represent partial orders.
PORTFOLIO BY USING HTML & CSS
PORTFOLIO BY USING HTML & CSSMeghaj Mallick The primary focus of the PPT is to develop the initial skill of using HTML & CSS programming language to develop a static web page like Portfolio.
This PowerPoint Presentation is of Front End Design.
This PPT will give an entire view on developing the static web page.
Introduction to Software Testing
Introduction to Software TestingMeghaj Mallick The primary focus is on Software Testing process. This PPT will covers the overall process of the software testing.
Introduction to System Programming
Introduction to System ProgrammingMeghaj Mallick The entire PPT focuses about the subject "System Programming".
The PPT consist of the basics of the topic that will cover the entire topic.
MACRO ASSEBLER
MACRO ASSEBLERMeghaj Mallick This PPT covers the entire topic of Macro Assembler. This Includes the topic such as design of a macro assembler, 3 passes of macro assembler etc.
This is the PPT of System Programming.
Icons, Image & Multimedia
Icons, Image & MultimediaMeghaj Mallick This is an PPT about the Icons that are used in Graphical User Interface, the Images that are used for developing a web page & the use of multimedia for various purpose.
This is an PowerPoint Presentation of Front End Design.
Project Tracking & SPC
Project Tracking & SPCMeghaj Mallick This PPT describes about the "Project Tracking" activity & statistical process control at Infosys.
It covers the entire topic such as project tracking, activities tracking, defect tracking, issue tracking, etc.
It covers all main activity of SPC such as SPC analysis, control chart for SPC etc.
This PowerPoint presentation is of "Software Project Management".
Peephole Optimization
Peephole OptimizationMeghaj Mallick This is the PowerPoint presentation on the topic "Peephole Optimization". This presentation covers the entire topic of peephole optimization.
This PowerPoint presentation is of Compiler Design.
Routing in MANET
Routing in MANETMeghaj Mallick This is the PPT of "Routing in Manet". It covers the entire topic of routing protocol.
This PowerPoint presentation is of Data Communication & Computer Network.
Macro assembler
Macro assemblerMeghaj Mallick The document discusses the design of a two-pass macro preprocessor. In pass one, macro definitions are identified and stored in a macro definition table along with their parameters. A macro name table is also created. In pass two, macro calls are identified and replaced by retrieving the corresponding macro definition and substituting actual parameters for formal parameters using an argument list array. Databases like the macro definition table, macro name table, and argument list array are used to store and retrieve macro information to enable expansion of macro calls. The algorithm scans the input sequentially in each pass to process macro definitions and calls.
Architecture and security in Vanet PPT
Architecture and security in Vanet PPTMeghaj Mallick This document discusses Vehicular Ad-Hoc Networks (VANETs) which allow vehicles to communicate with each other to share safety and traffic information. It outlines the architecture of VANETs including vehicle-to-vehicle and vehicle-to-infrastructure communication. The document also discusses security issues in VANETs such as bogus information attacks, identity disclosure, and denial-of-service attacks. It proposes the use of authentication, message integrity, privacy, traceability and availability to address these security requirements. The document assumes that roadways are divided into regions managed by trusted roadside infrastructure units.
Design Model & User Interface Design in Software Engineering
Design Model & User Interface Design in Software EngineeringMeghaj Mallick This is an PPT of Software Engineering. This contains the following topic such as "Design Model & User Interface Design in Software Engineering ".
Text Mining of Twitter in Data Mining
Text Mining of Twitter in Data MiningMeghaj Mallick This is an PPPt of Data Mining.It contains the following topic such as " Text Mining of Twitter in Data Mining".
DFS & BFS in Computer Algorithm
DFS & BFS in Computer AlgorithmMeghaj Mallick This document discusses breadth-first search (BFS) and depth-first search (DFS) algorithms for traversing graphs. It provides examples of how BFS uses a queue to search all neighbors at the current level before moving to the next level, while DFS uses a stack and explores each branch as far as possible before backtracking. The document compares key differences between BFS and DFS such as their time and space complexities, usefulness for finding shortest paths, and whether queues or stacks are used. Application areas for each algorithm are also mentioned.
Software Development Method
Software Development MethodMeghaj Mallick This is PPT of Computer-Science Paper. This presentation consist of various software development method.
Secant method in Numerical & Statistical Method
Secant method in Numerical & Statistical MethodMeghaj Mallick This is an PPT of a Mathematical Paper i.e Numerical & Statistical Method. It contsin the following topic such as "Secant method in Numerical & Statistical Method ".
Motivation in Organization
Motivation in OrganizationMeghaj Mallick This is an PPT of Management. This contains the following topic such as "Motivation in Organization".
Communication Skill
Communication SkillMeghaj Mallick This document discusses communication and barriers to effective communication. It defines communication as the exchange of information, ideas, thoughts and feelings between individuals through speech, writing and behavior. It then outlines some common barriers to communication, including badly expressed messages, loss in transmission, semantic problems, over or under communication, prejudices on the sender's part, and poor attention, inattentive listening, evaluation, interests/attitudes and refutation on the receiver's part. The document suggests identifying and addressing such barriers to improve communication.
Partial-Orderings in Discrete Mathematics
Partial-Orderings in Discrete MathematicsMeghaj Mallick This is an PPT of Discrete Mathematics. It contains the following topic " Partial-Orderings in Discrete Mathematics ".
Hashing In Data Structure 
Hashing In Data Structure Meghaj Mallick This document provides an introduction to hashing and hash tables. It defines hashing as a data structure that uses a hash function to map values to keys for fast retrieval. It gives an example of mapping list values to array indices using modulo. The document discusses hash tables and their operations of search, insert and delete in O(1) time. It describes collisions that occur during hash function mapping and resolution techniques like separate chaining and linear probing.
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- 1. “Unix and Linux File system” Presented By: Shraddha Malviya Roll no. : MCA/25018/18
- 2. What is Unix? Unix is an multi-user operating system which was first developed in the 1960s , and has been under constant development ever since.
- 3. Unix file system is logical method of organizing and storing large amount of information in way that makes it easy to manage. A file is a smallest unit in which the information is stored. All data in unix organized into files . All files are organized into directories. Unix file system
- 5. Types of unix file system Ordinary files Directories Special files Pipes Sockets Symbolic links
- 6. Ordinary file:- Used to store your information, such as some text you have have written or an image you have drawn .This is the type of file that you usually work with it. Special files :- Used to represent a real physical device such as a printer ,tape device or terminal , used for Input/output(I/O) operation. Directories:- Directories store both special an ordinary files. For users familiar with Windows or OS,UNIX directories are equivalent to folders.
- 7. Pipes :- UNIX allows you to link commands together using a pipe . The pipe acts a temporary file which only exists to hold data from one command until it is read by another .A Unix pipe provides a one-way flow of data. Socket :- A Unix socket (or Inter-process communication socket) is a special file which allows for advanced inter-process communication. Symbolic link :-Symbolic link is used for referencing some other file of the file system . Symbolic link is also known as Soft link.
- 8. What is LINUX? Linux is an operating system ,we all are familiar with other operating system like Microsoft window , Apple Mac OS , Google android etc. just like them linux is also an operating system
- 9. User types in LINUX 1. Super-user 2. Normal –user 3. System-user
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- 13. Ext3and Ext4 are stands for extended file system , which are used to create and access logical volume. VFAT stands for virtual file allocation system ,which is used in external medias like pendrive and all. Swap is used to create a swap area in the hard disk.