1. Where can I use it?
   at home. 
   at ECE ROOM 126 Unix machine.

2. How to use it?
   > ncverilog yourprogramname
   > ncverilog hw1.v

3. How to edit?
   use pico,  vi , emacs or any text editor.

4. Some useful Unix command
   cd         // change directory
   ls         // like dir 
   mkdir      // make a directory
   rm         // remove