#/etc/hosts #127.0.0.1 www.facebook.com #127.0.0.1 news.ycombinator.com #127.0.0.1 www.reddit.com #!/bin/sh #/usr/local/bin/startwork b

#/etc/hosts #127.0.0.1 www.facebook.com #127.0.0.1 news.ycombinator.com #127.0.0.1 www.reddit.com #!/bin/sh #/usr/local/bin/startwork bash -c "awk '{sub(/#127/, "127")};{print}' /etc/hosts > /etc/hosts.new; mv /etc/hosts.new /etc/hosts;"