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Shell Scripting Online Training
Course Duration - 15hrs

Unix-Shell Scripting Shell Scripting
History of UNIX
Features of UNIX
Flavors of 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, logname, who, finger
  • Exit, date, cal

Creating Users & Groups

  • groupadd, groupdel
  • useradd, userdel

System startup & Shutdown

  • Init, halt, shutdown
  • Different Run levels
  • Different date formats

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, locate, which
Zip files
  • gzip, gunzip
Displaying files
  • ls, ls options
Viewing long files
  • pg, more, head, tail
File Permissions
  • chmod, chown, chgrp, umask

Meta/Wild Card-characters

  • Class, Anchors
  • Repetition, Alteration
  • 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

Piping

  • usage of piping
  • piping with filters
  • tee command

Communication Tools

  • write, wall
  • mail, mail with options

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
    • Command mode
    • Insert mode
    • Ex command mode
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
Variables

  • What is variable
  • System defined variables
  • Environment files
  • User defined variables
  • Constant variables
  • Local & global variables
  • Special 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

  • Usage of COA
  • What is $0, S#, $*, $@, $? , $$

Job scheduling

  • cron
  • at
  • batch
Compiling and execution of C and

C++ programs
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