Keeping your disk usage below your quota will ensure that you avoid any penalties for excessive disk-space usage. The more command will display files to your screen. You control their permissions to read, write, and execute. From this line of the directory listing you can see first that this is a directory, second that the read, write and execute permissions are enabled for the user, and third that group users then other users each have read and execute permissions, but no write permission. Generally you want to disallow other users to write to your files.
Printing is done by the lp command.
Not postscript or graphics. You may also use the genscript filename command for fancy printing. The UNIX servers have three editors available. This is a very easy to use and simple editor that is recommended for beginning users. Pico can be run by typing pico filename.