Camping web framework question

hi everone!

my camping server is strage.

i do typing that camping tutorial’s code.

and, enter the next command ‘sudo ruby camping /home/his/blog.rb’

i’ve successfully connected to my server.

so, i enter the next key, ctl+z

fg,bg is noting

but, my server is not die…

in this time, i connect my server. connect sucess

why my camping server is not die?

and, i’m sorry,

i can not speak english well.

plz teach me.

thank you.