How to run EjsS on Ubuntu ?

1. error EjsS does not run in Ubuntu.
2. Typically, UBUNTU does not uses the current directory as the default class-path.
3. open terminal and type 
   
• ls
4. my Ejss is saved in Documents so type
• cd Documents
5. seeing where my Ejss is, type
• cd EjsS_5.3
6. after reaching the folder type
• java -jar EjsConsole.jar
7. Enjoy! EjsS should be running now
8.