What Linux Directories upon install are there? The following is a start for you.

/(root) /bin /dev /etc /home /lib /tmp /usr /kernel file THERE ARE MORE THAN THIS:

Example:Bin Dirctory = This directory contains the commands and utilities that you use day to day. These are executable binary files - hence the the directory name bin.

Site what each Dir is used for and it's purpose Like stated in the Example above.

Cite your References where you got your information from.