Unix Linux

Unix Training Content

• Introduction to UNIX/LINUX
• History of UNIX/LINUX
• Features and Benefits of UNIX/LINUX
• Different flavors of UNIX/LINUX
• Difference between UNIX, DOS, Windows and LINUX
• Architecture of UNIX

UNIX File System Architecture

• Boot Block
• Super Block
• Inode Block
• Data Block
• File System of UNIX
• Ordinary Files
• Directory Files
• Device Files
• The Structure of UNIX File system

Different UNIX Commands

• pwd, who, whoami
• exit, date, cal, exit, banner

Links

• Hard Link
• Soft link or Symbolic Link
• Unlink

Complex Filters

• tr, comm., tee, sed, nl

Working with Files

• cat, touch, rm
• cp, mv, ln, wc

Working with Directories

• mkdir, cd, rmdir, rm

Displaying Files

• ls, ls with options

Simple Filters

• pg, more, less, head, tail, paste, cut, sort

Zip Files

• gzip, gunzip, zcat, compress
• Uncompress, pack, unpack and Pcat

Printing Files

• lp, cancel

Finding Files

• find, locate etc.,

Input and Output Redirection

• Redirecting Output
• Redirecting Input
• Standard error

Shell Meta Characters

• File substitution
• I/O redirection
• Process Execution
• Quoting meta characters
• Positional parameters
• Special Parameters

More Filters

• grep, grep with options
• fgrep, egrep

Regular Expressions and Patterns

• What is Pattern?
• Usage of regular expression
• Different types of patterns

How C programs are useful for solving problems in UNIX

UNIX Commands

• Uniq
• Diff
• cmp

Backup Utilities

• tar, cpio

Piping

• Usage of piping
• Piping with filters

File Permissions

• chmod, chown, chgrp, umask

Communication Commands

• write, wall, mail, mail with options

Networking commands

• telnet, ftp, rlogin, finger, etc..

Disk Utilities

• df, du, mount, unmount

Job Control

• Foreground jobs
• Background jobs
• Killing jobs
• Nohup

Prcoess Status

• Ps
• Kill
• Pkill

Job scheduling

• At
• Crontab
• Batch

ed, ex and vi editors

• Command mode
• Insert mode
• Ex command mode

Shell Scripting

• What is shell scripting?
• Importance of shell scripting
• Different types of shells
• Creating Shell script
• Making shell script executable

Shell Input and Output

• echo, print, read

Backslash character constants aliases and History concept variables

• What is a variable?
• System defined variables
• Environment Variables
• User defined variables
• Constant variables
• Local and Global variables
• Special Variables
• Comments

Operators

• Arithmetic Operators
• Relational Operators
• Relational ASCII operators
• Logical Operators
• Assignment Operators

Flow Control Structure

• If, if….else
• If… elif
• Case

Looping

• while, until, for, break, continue

Formatted I/O

Namespaces in UNIX
Introduction to Message Queues
Introduction to Different Types of System Calls
Programming Aspects of Berkeley Sockets & Reserved Ports
UNIX Domain Protocol 
Socket Addresses