Computers in Principle and Practice Servers and Operating Systems
What is a computer?
Operating System Low level software that manages hardware resources and allows the user to execute applications
Operating Systems
Unix Fast, efficient, secure Client-server architecture Text commands
The Internet
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The Internet = File: dog-pictures.htm In folder: pets On server: animals.howstuffworks.com
Clients and Servers
First Web Pages
Login to the Server i5.nyu.edu Netid Nyu home password ssh
Create a folder mkdir public_html
Change permissions chmod a+rx public_html chmod u+rwx public_html
Create a web page cd public_html cp /usr/local/share/index.html. chmod u+rwx index.html chmod a+r index.html
FTP Download Upload