{
hey you;
out there on the wall << 'some input string' 2>1 1>2 >> file > $file ?
| and pipes ?
| can be 2>1
# interleaved with comments
| fun;
}
let error = ${
echo $args' aren\'t '$boring" even when \$'$double' quoted";
this command does not exist
}[1]
&{
go async
}.join()