On 23 May 2015 at 02:00, hilary wrote: > Still don't get it. Can someone instruct me line by line? > > > hilarys-MBP:~ hilarylaw$ cd xcode-select > -bash: cd: xcode-select: No such file or directory > hilarys-MBP:~ hilarylaw$ $ git > -bash: $: command not found > hilarys-MBP:~ hilarylaw$ "$ git" is not a valid command. What are you trying to do? Those commands don't seem to have anything to do with running a compiler.