i every one ........................ i got a software cd (which works just like linux os - which is called as LIFY) TO PRACTICE THE LINUX COMMANDS WITHOUT CHANGING THE EXISTING OPERATING SYSTEM................................... DO ANY ONE HERE KNOW HOW TO USE THIS LIFY.............IF YES THEN PLEASE GUIDE ME ................ THANKS IN ADVANCE ............

if any one know any other software which works similar to linux, then tell me here .... i would like to practice linux with that particular cd/dvd without changing the existing operating system ............................... thanks in advance .....

REGARDS,
thanmathpradeep@gmail.com