Unix Basics

History of Unix

Unix Components

	Kernel
	Shell
	Utilities

Getting Started

Logging into Unix

Changing password

General format of UNIX commands

Special Characters

	Example : *
	Example : ?

Terminal Control Keys

Getting Information

The UNIX filesystem

UNIX directory structure

Directory and file handling commands

Specifying multiple filenames

Access Permissions

Example umask commands:

Inspecting file content

	ls - lists files
	more
	pg
	less
	head
	tail
	cat
	cp
	mv
	rm
	file filename
	find
	diff
	sdiff
	ln
	sort
	pwd
	mkdir
	cd
	rmdir

Command summary

Controlling processes associated with the current shell

Controlling other processes

Redirection input and output

	Command history
	Event reexecution
	Modifying previous events
	Aliases
	Filename Generation
	Filename Completion

Variables (csh)

Predefined Shell Variables.

Initialization Files

Networking in UNIX

Connecting to remote machines

Example telnet session:

Email utilities

Network Related Utilities

	ping
	traceroute
	ftp
	rlogin, rsh, rcp

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Deepak Kumar Tala - All rights reserved

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