If you're going to use SSH to connect to the server, you'd better have some understanding of basic command line commands. Here are a few to start you off:

Basic Commands

pwd
Shows the full path of the current directory

ls
Lists all the files in the current directory

ls -al
Lists all files and information

ls–alr
Lists all files and information in all sub-directories

ls -alr | more
Same as "Ls–alr" pausing when screen becomes full

ls -alr >[ file.txt]
Same as "Ls–alr" outputs the results to a file

ls -al /home/[name]/
Lists files and information for /home/usr/[name]

ls *.html
Lists all files ending with .html

cd [directory name]
Changes to a new directory

cd ..
Changes to directory above current one

Moving, Copying, and Deleting Files

mv [old filename] [new filename]
Move/rename a file

cp [filename] [new filename]
Copies a file

rm [filename]
Deletes a file

rm *
Deletes all files in current directory

rm *.html
Deletes all files ending in .html

Creating, Moving, Copying and Deleting Directories

mkdir [directory name]
Creates a new directory

ls -d */
Lists all directories within current directory

cp -r [directory] [new directory]
Copies a directory and all files/directories in it

rmdir [directory name]
Removes a directory if it is empty

rm -r [directory name]
Removes a directory and all files in it