Unix like systems - PowerPoint PPT Presentation


Introduction to Bash Shell Programming

Learn about the fundamentals of shell programming in Unix/Linux systems, including the role of the shell as an interface between users and the operating system. Understand the components of a shell, such as the kernel, and explore different types of shells like Bourne Shell and C Shell. Discover how

6 views • 17 slides


Evolution of Operating Systems: From Mainframe Computers to Unix

Before the 1950s, users interacted directly with mainframe computers without an operating system, debugging using control panels. The transition to writing programs in symbolic languages led to the need for specific drivers. Run queues and operator-assisted job submissions marked this era. The first

0 views • 41 slides



Introduction to Unix-like Systems and Shell Interaction

Unix-like systems, such as Linux, Android, iOS, and macOS, are prevalent in various devices. The Unix shell acts as an intermediary between users and the operating system, allowing for program execution and process management. Secure Shell (SSH) and X Window System enable remote machine connections

4 views • 19 slides


Understanding CP and MV Commands in Unix/Linux

CP and MV commands in Unix/Linux are essential for copying and moving files or directories. CP is used to copy files with various options for different scenarios, while MV is used to move or rename files. Learn examples and practical usage of these commands to efficiently manage your files on the te

0 views • 5 slides


Understanding UNIX and Linux Operating Systems

UNIX, known as the mother of most operating systems, follows a design philosophy rooted in plain text data storage, hierarchical file systems, and modular programs. The UNIX kernel controls system functions, while Linux, a Unix-like OS, operates as a free and open-source alternative developed from s

1 views • 4 slides


Understanding User Datagram Protocol (UDP) in Unix and Network Programming

Explore the fundamentals of User Datagram Protocol (UDP) in Unix and Network Programming, covering topics such as UDP client/server programs, network layers, transport layer services, UDP packet format, and socket programming. Learn about the characteristics and usage of UDP, including its simple me

2 views • 28 slides


Introduction to UNIX Programming Languages and Program Development

Discover the fundamentals of UNIX operating system, its significance in modern computing, directory structures, pathnames, and the role of CPU in computer systems. Learn why understanding UNIX can be essential for efficient program development and resource management. Explore the distinction between

0 views • 42 slides


Introduction to Awk: Powerful Text Processing Tool in UNIX

Awk is a versatile text processing tool in UNIX that allows users to scan files, manipulate and format data, and generate reports efficiently. With awk, users can split input lines into fields, compare them to patterns, and perform actions based on matches. This tool supports various programming con

0 views • 30 slides


Evolution of DevOps in Technology Through Images

Explore the evolution of DevOps through images showcasing key milestones from the AT&T Bell Labs UNIX era to modern DevOps teams at Google and Facebook. Delve into the analogy of a combustion engine to understand the roles of developers, operations, and orchestration in the DevOps ecosystem. Gain in

1 views • 10 slides


Geoscientific Data Analysis Using Unix and GMT: Practical Methods and Techniques

Explore techniques for analyzing geoscientific data using Unix and GMT, including handling irregularly spaced data, fitting curves, processing noisy data, and utilizing filtering methods. Learn about spline usage, polynomial fitting, correlation coefficients, and Gnuplot functionalities.

0 views • 23 slides


Understanding the Make Utility in Linux/Unix Operating Systems

The Make utility in Linux/Unix is a command generator designed to assist in compiling large projects efficiently by using Makefiles with rules and dependencies to determine and execute necessary tasks. It minimizes recompilation, reduces resource usage, and streamlines complex program compilation pr

0 views • 21 slides


Understanding UNIX System Permissions and User Terminology

Explore the concept of UNIX system permissions, including discretionary access control (DAC) model, user terminology, file/directory access, access permission modes, categories of users, and checking permissions using examples. Learn about user IDs, groups, superuser privileges, ownership, access mo

0 views • 24 slides


Overview of UNIX System Protection

UNIX System Protection focuses on ensuring security and access control mechanisms within the UNIX operating system. Developed in 1969 by Dennis Ritchie and Ken Thompson at AT&T Bell Labs, UNIX features design elements like a portable API, protection rings, kernel processes, and a trusted computing b

0 views • 12 slides


Introduction to Linux System Administration

Explore the fundamentals of Linux system administration, including accessing Linux systems, using SSH for secure connections, setting up virtual machines, understanding the Unix system kernel and shell, and grasping the multi-user and multi-process aspects of Unix. Enhance your skills in managing Li

0 views • 42 slides


Understanding Unix Shells: A Comprehensive Overview

Explore the fundamentals of Unix shells, including their role as an interface between the Unix kernel and users, different shell types like Bourne, Korn, and Bourne-again shells, shell startup files, environment variables, and more. Learn how shells interpret and run commands, manage aliases, and co

0 views • 40 slides


Understanding Unix Process Management

Unix process management involves the creation, termination, and maintenance of processes executed by the operating system. A process is the context maintained for an executing program, essential for managing concurrent activities efficiently. This includes process creation, termination, process birt

0 views • 85 slides


CS252 Systems Programming Course Overview

This course overview covers topics such as C programming review, Unix basics, Unix systems programming, and grading details. The course includes labs on C/C++ programming, Unix shell scripting, and writing your own shell. Communication is emphasized through Piazza for questions/answers and Blackboar

0 views • 41 slides


Understanding Filesystems and Inodes in UNIX

Delve into the complexities of filesystems such as FFS and LFS, exploring concepts like i-nodes, ownership, permissions, and indirect blocks. Learn about the structure of UNIX inodes, path searching, caching, read-ahead optimization, and the limitations of the original UNIX filesystem. Unravel the i

0 views • 24 slides


Dyalog APL on UNIX - Development Environment Overview

Discover the supported platforms for Dyalog APL on UNIX, including AIX and various Linux distributions. Learn about driving APL on UNIX, using PuTTY for Windows clients, configuring terminal windows, and running TryAPL as a service. Get insights on setting up Dyalog APL on Linux and explore keyboard

0 views • 39 slides


Evolution of UNIX File Systems: A Comprehensive Overview

This insightful presentation delves into the evolution of file systems in UNIX, starting from the traditional file system developed at Bell Labs to the more sophisticated approaches adopted at Berkeley. It highlights key issues faced by older systems, such as low throughput and scattered block alloc

0 views • 19 slides


Essential Unix Commands for Beginners

Learn essential Unix commands such as pwd, ls, cd, mkdir, and man, along with their functionalities and usage in navigating the Unix file system effectively. Understand the basics of directories, file structures, and how to get help using the command line interface.

0 views • 18 slides


Introduction to the Command Line: Basic Commands and Unix Systems

This material provides an overview of fundamental commands in Unix systems, applicable to both Unix and Linux operating systems. It covers topics like directory structure, text file manipulation, file permissions, redirections, pipes, wildcards, and more. Learn about the nature of Unix systems, how

0 views • 43 slides


Understanding Process Relationships in Unix Systems

Explore the relationship between processes, process groups, sessions, and controlling terminals in Unix systems. Learn how signals can be sent to process groups, the concept of session leadership, and the role of controlling processes in managing I/O devices.

0 views • 18 slides


Understanding Unix: Fundamentals and Connections

Explore the basics of Unix operating systems, terminology, types of Linux installations, and connecting to remote Linux machines. Learn about key concepts such as local vs. remote connections, SSH connections using passwords and keys, and tools like PuTTY for remote access.

0 views • 78 slides


Introduction to Using UNIX: A Comprehensive Guide

Explore the rich history and practical benefits of using UNIX systems. Learn about the UNIX user interface, the significance of command line interactions, the philosophy of small programs, and the evolution of graphical interfaces. Discover why mastering UNIX skills is valuable for computing student

0 views • 29 slides


Understanding UNIX Operating System

UNIX is a versatile operating system that enables multi-user access, multitasking, and portability across various computing environments. It serves as the foundation for many modern operating systems and has influenced concepts incorporated in Microsoft Windows and DOS. The UNIX system comprises dis

0 views • 51 slides


Exploring Unix Input and Output Topics in CS.105

Dive into the Unix I/O philosophy, understanding pathnames, conventions, and file structures. Learn how Unix revolutionized file handling with its unified approach and discover the power of accessing files, reading/writing, pipes, and filters. Gain insights into Unix file conventions and the flexibi

0 views • 29 slides


Introduction to Linux: Course Overview and Objectives

This introduction to Linux course provides a comprehensive overview of operating systems, including the history, variations, user interface, and essential commands. The course is designed with lectures, labs, and exercises to help participants gain a better understanding of Linux and its practical a

0 views • 77 slides


Evolution of Data Abstraction in Operating Systems

Explore the evolution of central data abstraction in operating systems from the complexity of Multics to the simplicity and elegance of Unix. Discover how files are managed in Unix, the tradeoffs in data-sharing methods, and the impacts on efficiency and protection.

0 views • 41 slides


Introduction to Shell Programming in Linux/Unix with Vim and Control Flow Commands

Explore the basics of shell programming in Linux/Unix, including Vim commands for editing files, control flow commands like if-then statements, and examples of executing commands with built-in utilities. Learn how to handle arguments, read input, and implement conditional logic in scripts.

0 views • 47 slides


Introduction to Shell Scripting in UNIX and Network Programming

Shell scripts in UNIX and network programming provide a powerful way to automate tasks, simplify recurring operations, and enhance system administration. They leverage variables, decision-making control, looping abilities, and function calls to streamline processes. With essential features like file

0 views • 32 slides


Process Management in UNIX Systems

Explore the intricate process management mechanisms in UNIX operating systems, covering the suspension, activation, and destruction of processes along with resource allocation and priority handling. Delve into the scheduling intricacies of UNIX environments for optimal performance.

0 views • 18 slides


Introduction to Data Analysis in Geophysics Using UNIX

Learn how to use UNIX commands such as pipes and xargs in geophysics data analysis. Discover how to manipulate file lists, search for specific strings in files, and run programs on file names efficiently using xargs in a UNIX environment.

0 views • 34 slides


Introduction to UNIX Commands and Basic C Programming Exercises

This content guide provides step-by-step instructions on downloading, unpacking, and using examples in UNIX environment, connecting to a university UNIX account from Windows using Putty, logging in with UPI and password, and running basic C programming exercises. It also covers basic Linux commands

0 views • 13 slides


Understanding UNIX Operating System and File System

UNIX is a powerful operating system developed in the 1960s that forms the basis for modern systems like Linux. It manages hardware communication for users and programs. The file system organizes files in a hierarchical structure, with directories acting as folders. Learn about directories, subdirect

0 views • 19 slides


Understanding Unix Process Management in Computer Systems II

This overview delves into the creation, termination, memory layout, and dynamic memory management of Unix processes in Computer Systems II. It covers the distinctions between code, executables, and processes, the memory layout of Unix processes, management of heap memory using malloc and free functi

0 views • 27 slides


Intermediate Linux Workshop Overview

This intermediate Linux workshop covers various topics including input, output, pipes, processes, compiling Unix software packages, symbolic and hard links, environment variables, security, and ECC policies. It also explains CougarNet authentication for accessing engineering Linux systems, setting u

0 views • 34 slides


Introduction to Linux Workshop and History: A Brief Overview

Delve into the world of Linux with an introduction to its basics, operating system functionalities, and a quick history lesson from the Unix roots to the release of Linux. Explore the significance of Linux as an operating system and the evolution of computing. Get insights into key milestones like U

0 views • 98 slides


Mastering UNIX Text Processing: Tips and Tricks

Explore the world of UNIX text processing through a comprehensive guide covering essential commands, efficient workflows, and powerful combinations. Learn how UNIX commands streamline tasks, eliminate redundant code, and enhance productivity. Discover the art of piping, output redirection, and utili

0 views • 48 slides


Overview of UNIX and Linux Operating Systems

The UNIX brand encompasses a range of powerful multitasking, multiuser operating systems used by various organizations to develop IT technologies. UNIX internals consist of kernel space and user space, with programs accessing system services rather than hardware directly. The Unix filesystem is a ke

0 views • 36 slides