Welcome to fish, the friendly interactive shell
Type help for instructions on how to use fish
david@Davids-MacBook-Air /> echo foo
foo
david@Davids-MacBook-Air />
david@Davids-MacBook-Air />  echo baz
baz
david@Davids-MacBook-Air /> echo bar
bar
david@Davids-MacBook-Air /> ls /tmp/
client*                       com.google.Keystone/          powerlog/                     tmux-501/
com.apple.launchd.vphqfEpkYH/ fseventsd-uuid                server*
david@Davids-MacBook-Air />  echo foobar
foobar
david@Davids-MacBook-Air /> ls /bar/ &
ls: /bar/: No such file or directory

fish: Job 1, 'ls /bar/ &' has ended
david@Davids-MacBook-Air / [1]>