W6_L2: Overview of shell scripts

Welcome to Week 6 Lecture 2 of the course "Introduction to the Linux Shell" by Gandham Phanikumar. Full Course: https://study.iitm.ac.in/es/course_pages/CS1102.html Video Overview In this lecture, you will be introduced to the fundamentals of shell scripting in Linux and learn how to create your own commands. The session explores key software development principles that guide Linux design, including building commands for specific tasks, processing text lines, using regular expressions, and effectively handling standard input and output. You will also learn the difference between sourced and executed scripts, understand the importance of file locations, and explore bash environment files. The lecture discusses various scripting types such as shell, awk, sed, and Python, with a primary focus on bash scripting. You will also gain hands-on experience with essential scripting elements such as echo, printf, user input with read, built-in shell variables, command substitution, and control flow structures including loops, case statements, and if statements. By the end of this session, you will understand how to structure scripts, apply test conditions, and define functions to create efficient and powerful shell scripts. About IIT Madras' online Bachelor of Science programme IIT Madras offers four-year BS programmes that aim to provide quality education to all, irrespective of age, educational background, or location. The BS programme has multiple levels, which provide flexibility to students to exit at any of these levels. Depending on the courses completed and credits earned, the learner can receive a Foundation Certificate from IITM CODE (Centre for Outreach and Digital Education), Diploma(s) from IIT Madras, or BSc/BS Degrees from IIT Madras. For more details, Visit: https://www.iitm.ac.in/academics/study-at-iitm/non-campus-bs-programmes #Linux #Scripting #ShellScripting #Bash #Awk #Sed #CommandLine #Terminal #Automation #Programming #Tutorial #SoftwareDevelopment #OpenSource #Commands #RegularExpressions #InputOutput #EnvironmentVariables #Loops #CaseStatements #IfStatements #Functions #Echo #Printf #Read #LinuxTutorial #BashScriptingTutorial #IITMadras #LinuxShell #OnlineLearning #Education #Technology