My First Shell Script in OSX

#!/bin/sh
# Enable SSH
echo "Enabling SSH"
systemsetup -setremotelogin on
echo “Set computer name to this format eg: LRC-IMACXX, where xx is numbers.”
scutil --set HostName
ComputerName=$(HostName)
scutil --set LocalHostName $ComputerName
scutil --set ComputerName $ComputerName
echo “Computer name set to: “ $ComputerName
echo “Changing power preference”
sudo pmset -c ttyskeepawake 1
sudo pmset -c sleep 15
sudo pmset -c displaysleep 10
sudo pmset -c womp 1
sudo pmset -c halfdim 1
sudo pmset -c disksleep 10
echo “Schedule MAC wakeup at 8am and shutdown at 6pm everyday”
sudo pmset repeat shutdown MTWRF 18:00:00 wakeorpoweron MTWRF 08:00:00
echo “Set proxy”
sudo networksetup -setautoproxyurl Ethernet http://something.pac
sudo networksetup -setautoproxyurl Wi-Fi http://something.pac
echo “Joining Domain…”
sudo dsconfigad -f -a $ComputerName -domain domain.com -u username -p password
echo “Done”

to run this in terminal>
sudo sh scritpt.sh