hosts

##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1	localhost
255.255.255.255	broadcasthost
::1             localhost 
fe80::1%lo0	localhost

127.0.0.1               www.onemorelevel.com
127.0.0.1               onemorelevel.com
#127.0.0.1               www.hulu.com
#127.0.0.1               news.ycombinator.com
#127.0.0.1               www.facebook.com
#127.0.0.1               www.youtube.com

startwork.sh

#!/bin/sh

# starts blocking all sites so I can start working

bash -c "awk '{sub(/#127/, "127")};{print}' /etc/hosts > /etc/hosts.new; mv /etc/hosts.new /etc/hosts;"