Unit 2 : Basic Linux Commands
Unit 2 : Basic Linux Commands Unit 2 : Basic Linux Commands 2.1 Directory Navigation Commands (pwd, cd, mkdir, rmdir, ls, tree) 2.2 File Management Commands (cat, rm, cp, mv, touch) 2.3 File Permissions and Ownership (chmod, chgrp, chown, umask) 2.4 Common System Commands (who, whoami, man, echo, date, clear) 2.5 Text Processing Commands (head, […]
Unit 1 : Introduction to Linux Operating System
Unit 1 : Introduction to Linux Operating System Unit 1 : Introduction to Linux Operating System 1.1 Features of Linux OS 1.2 Components of Linux OS (Hardware, Kernel, Shell, GNU Utilities & Applications) 1.3 Shell in Linux (Bash, Zsh, Dash – Features and Differences) 1.4 Introduction to Files and File Types in Linux (text, binary, […]
Unit-2: PHP functions
PHP functions INDEX 2.1 Math functions, Date and Time functions, GET and POST methods2.2 Files: include, file parsing, directories, file upload, file download2.3 Cookies and Sessions, Send Email2.4 Forms: creating, handling, validation of forms, Php filters, Json parsing2.5 Classes and objects in Php2.6 Regular expressions and exception handling 🔢 PHP Fundamentals: Math Functions PHP provides […]
Unit-1: PHP fundamentals
PHP fundamentals INDEX 1.1 Concepts of Php and introduction1.2 Php syntax: variables, constants, echo and print commands1.3 Data types1.4 Operators, Conditional Statements (if. Else, Switch. Case), Arrays1.5 Sorting Arrays, Php Loops PHP Fundamentals: Introduction and Concepts ✅ What is PHP? PHP stands for Hypertext Preprocessor. It is a server-side scripting language primarily used to develop […]
Unit 5. Communication with other users
Unit 5. Communication with other users INDEX 5.1 write, wall and mesg5.2 mail, motd and news 🗣️ Communication with Other Users in Linux: write, wall, and mesg. Linux is a multi-user operating system, and it provides several commands to facilitate communication between logged-in users. Three essential tools for this purpose are: 🔸 1. write — […]
Unit 4. Advanced Shell Programming
Unit 4. Advanced Shell Programming INDEX 4.1. Splitting, Comparing, Sorting, Merging & Ordering Files.4.2. Filtering utilities: grep, sed etc.4.3. awk utility 🔧 Advanced Shell Programming: File Operations in Linux When working with large sets of data, files, or logs, shell programming provides powerful tools to split, compare, sort, merge, and order files. These operations help […]
Unit 3. Shell Programming
Unit 3. Shell Programming INDEX 3.1. Screen Editor (vi) 3.2. Environmental & user defined variables 3.3. Conditional Execution 3.4. Arithmetic expression evaluation 3.5. Control Structure 3.6. Redirection 3.7. Background process & priorities of process, Batch Process 3.8. Argument Processing & Shells interpretation 🖥️ Shell Programming – Screen Editor (vi) in Detail. 🔹 What is vi? […]
Unit 2. Overview
Unit 2. Overview Unit 2. Overview 2.1. Logging in & out 2.2 I-node and File System Structure 2.3 Booting Sequence & ‘init’ process 2.4 File Access Permissions Logging In and Logging Out in Linux. Logging In to a Linux System When you start or access a Linux system, you must first log in with a […]
Unit – 1. Introduction of UNIX OS
Introduction of UNIX OS INDEX 1.1 Features 1.2 System Structure and Architecture of UNIX OS. 1.3 Shell & its Features 1.4 Kernel & its Structure Introduction of UNIX OS Introduction to UNIX Operating System. What is UNIX? UNIX is a powerful, multiuser, multitasking operating system originally developed in the 1960s and 1970s at Bell Labs […]