dev_environment.sh

#!/bin/bash --login
cd /home/user/dev/MyProject
gnome-terminal \
 --tab -e "bash -c 'bundle exec guard -i'" \
 --tab -e "bash -c 'rails s'" \
 --tab -e "bash -c 'rails c'" \
 --tab -e "bash -c 'vim'" \
 --tab -e "bash" &
firefox --new-tab file:///home/user/dev/MyProject/coverage/index.html#_AllFiles \
  --new-tab localhost:3000 \
  --new-tab MyProject.slack.com