Ubuntu terminal commands

leave the GUI...use the terminal

To create a file 
touch filename.ext

To open a file
xdg-open filename.ext

To edit
gedit filename.ext

PHP Installation

For those who are looking for web designing using PHP...
Link below will take you to hassle free installation guide which will make your system ready to try out PHP codes within an hour :

LAMP server : Linux-Apache-Mysql-PHP installation