Bash Shell Scripting Training allows professionals to drive more power from a Linux operating system. Shell scripts combine to act as batch files, and are used for customization, automation, enhancement of performance and remote task management

Topics Covered

UNIX Comparison of UNIX with Windows Architecture of UNIX UNIX File System Different types of Files • Regular Files • Directory Files • Device Files Basic Commands • pwd, wc, date, cal Creating Users & Groups • groupadd, groupdel • useradd, userdel Working with files • cat, touch, rm • cp, mv Working with Directories • mkdir, cd, rmdir, rm –r Standard Input & Output • Redirecting output • Redirecting Input Comparing Files • cmp, diff, comm Searching files • find, which Zip files • gzip, gunzip Displaying files • ls, ls options Viewing long files • more, head, tail File Permissions • chmod, chown, chgrp, umask Meta/Wild Card-characters • Class, Anchors • Repetition • Group, Dot Regular Expressions & Patterns • What is pattern • Usage of regular expression • Different types of pattern • Character pattern • Word pattern • Line pattern Tools for Filters • grep, grep with options Flat files • What are delimiters and its types? • Reading and Writing to files Tools for column data • cut, paste Tools for sorting • Sort by lines, Sort by fields • Sort with options, uniq Changing information in files • tr, sed,awk Piping • usage of piping • piping with filters • tee command Networking protocols • telnet, ftp Disk status • du, df with options Job control • Foreground jobs, background jobs • Killing jobs, nohup Process status • ps , ps with options Editor Vi • 3 modes SHELL SCRIPTING What is shell scripting? Importance of shell scripting Different types of shells Creating shell script Making shell scripting executable Shell input & output • echo, print, read Backslash character constants • \t, \n Variables • What is variable • System defined variables • Environment files • User defined variables • Constant variables • Local & global variables Operators • Arithmetic variables • Relational numeric operators • Logical operators • Assignment operators Conditional statements • if, if….else • if, elif • case Looping • while, until, for • break, continue File test commands String test commands Exit & sleep commands Command line arguments • What is $0, S#, $*, $@, $? , $$ Job scheduling • Cron • at DB connection

Who should attend

- Software testers - Database Developers - PL/SQL Developers - QA Engineers - Production support engineers

Pre-requisites

Basic knowledge of Unix / Linux would be great (not required)

What you need to bring

Pen and Notebook Laptop (if available, for practise) Pen Drive (if available, to copy exercises)

Key Takeaways

- Shell scripting - Unix internals - Automation