Unix /Linux Basics

Unix / Linux Fundamentals

Duration:    15  days

Course Contents:

·         Introduction to Unix / Linux

·         Evolution of Unix / Linux

·         Comparison of Unix / Linux with other operating systems

·         Getting Started

·         Unix / Linux users and superuser

·         Signing on to Unix / Linux

·         Unix / Linux system prompt

·         Introduction to some Unix / Linux commands: cat, ls, date, cal, logname

·         Stopping a command

·         Halting output temporarily

·         Getting on-line help: the man command

·         Signing off

·         The vi editor

·         The command mode

·         Line positioning and cursor positioning

·         Word positioning

·         Positioning the cursor by sentence

·         Positioning the cursor by paragraph

·         Positioning the cursor in the window

·         Positioning the cursor to a specified line

·         Scrolling the text

·         Inserting and appending text

·         Deleting text

·         Exiting with and without saving

·         Saving and continuing to edit a document

·         Creating a new file

·         Searching for a pattern

·         Replacing text

·         Copy, cut and paste operations

·         User defined registers

·         Marking text

·         Other useful commands

·         Commands at the colon prompt

·         Line numbering

·         Reading and writing across files

·         Customizing the vi editor

·         Unix / Linux file structure

·         Features of the file structure

·         Inode concept

·         Different types of files

·         Rules for file names

·         Working with Directories

·         Checking the current directory: pwd command

·         Changing directory: cd command

·         Listing directory contents: ls commands

·         Various options of the ls command: -x, -f, -a, -l, -t, -r, ?, *, [ ], -F, -R

·         Creating user directories with mkdir

·         Deleting directories with rmdir

·         Working with Files

·         Determining the type of a file using file command

·         Viewing the contents of a file: cat command

·         Page-wise display of a file: pg command

·         Pausing the output: more filter

·         Changing file permissions: chmod

·         Creating files using cat

·         Copying files using cp

·         Moving and renaming files using mv

·         Removing files using rm

·         Counting words and characters: wc command

·         Printing a file: lp command

·         Comparing files: cmp, comm and diff commands

·         Communication Utilities

·         Sending messages: write, talk commands

·         Controlling messages: mesg command

·         Sending mail: mail, elm, pine commands

·         General Purpose Utilities

·         Using calendar: cal command

·         Viewing system date: date

·         Login details: who

·         Changing your password: passwd

·         The Shell

·         Redirecting the standard output

·         Redirecting the standard input

·         The tee command

·         Connecting commands with pipes

·         Filters

·         Paginating files: pr

·         Viewing the beginning of a file: head

·         Viewing the end of a file: tail

·         Rearranging files: cut, paste and join

·         Sorting text files: sort command

·         Extracting unique values: uniq command

·         Translating characters: tr

·         The Process

·         Listing of processes: ps command

·         Premature termination of a process: kill

·         Background processing

·         Job execution with low priority: nice

·         Scheduled execution: 'at' and 'batch'

·         Running jobs periodically: cron

·         Pattern Search

·         Finding text patterns in a file: grep

·         sed: The Stream Editor

·         Replacing character strings: sed

·         The Environment

·         System variables

·         Settings of .profile file

·         Setting terminal characteristics: stty

·         Backing Up Files

·         tar and cpio

·         Shell Programming

·         Introduction to Unix / Linux shells

·         Introduction to shell programming

·         Naming shell procedures

·         Shell variables

·         System variables

·         Arguments to shell procedures

·         The echo command

·         The set command

·         The tput command

·         Looping with 'for' statement

·         Conditional execution with 'if', 'else', 'elif'

·         The 'exit' statement

·         More on shell programming

·         The 'while' and 'until' statements

·         Altering loop execution with 'break' and 'continue'

·         'true' and 'false'

·         Selective execution using 'case' statement

·         Doing arighmetic with 'expr'

·         User input to shell procedures

·         Passing the standard input

·         The 'read' statement

·         The 'awk' Utility

·         Simple awk filtering

·         Splitting a line into fields

·         Formatting output

·         Logical and relational operators

·         Number processing

·         Variables, positional parameters

·         BEGIN and END sections

·         Making awk interactive: getline

·         Arrays

·         Functions

·         IF statement

·         Looping with for and while