Lecture Guide	Readings	External Readings
Intro
Overview	Activating an X-server	Sobell Ch. 1
First look	notes	Sobell Ch. 1
The Unix world Looking around Traversing directories Permissions and file properties Unix File types File-system & Inodes Process monitoring &control Process signalling Survey of commands	The command line. man help   info help File-system and $HOME Directories and paths Working with directories Access control Changing permissions Manipulating files More details of filesystems Process monitorign & control Process signalling Survey of commands	Sobell Ch. 4 Sobell Ch. 3
Command redirection. Using exec with redirection. Command delimiters. Shell variables. Environmental variables. Login configuration files. Positional parameters. History Aliases Command Parsing.	Command delimiters. Shell variables. Using quotes. Positional parameters. History Aliases Command Parsing.
Regular expresssions Global regular expresssion parser	Regular-expressions	Sobell pp. 483-484 Sobell pp. 486-487 Sobell pp. 484-486
Sed - substitution1 Sed - line addressing Sed - other cmds Sed - multiline edit Flow of control	Sed - substitution Sed - line addressing Sed - other cmds Flow of control
Bash if test command Bash case Bash while Bash listing for Bash indexed for Bash select Bash trap Functions	Bash if Test Bash case Bash while Bash for Bash select Bash trap Functions.	Sobell pp. 346-349 Sobell pp. 418-430 Sobell pp. 456-457,978-980 Sobell pp. 442-448 Sobell pp. 435-441 Sobell pp. 431-435 Sobell pp. 448-450
Introduction to AWK AWK predefined variables	Introduction to AWK AWK predefined variables AWK basics Pattern matches AWK printing AWK user variables Flow of control
	OSI Networking layers Inernet protocol layers	Wikipedia topic : OSI model Wikipedia topic : Internet protocol suite
	CSMA/CD - Ethernet CSMA/CA - Wireless Token based nework Physical layer Frame structure Data-link : Ethernet implementation Data-link : WiFi implementation
DHCP resolution Example firewall table	DHCP resolution Internet layer Transport Layer Sub-nets and ports Transaction overview DNS resolution Names Name Oversight Simple server Simple client Networking tools
	AWK functions AWK formated printing
IP tables - firewall