HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD SHELL 1

Together with the Bourne shell (at least Those people variants where by it hasn't been set): "$@" expands to one empty argument In case the listing of positional parameters is empty ($# == 0) in lieu of no argument in the slightest degree. There's an exceptional command called [ (left bracket Particular character). It's really a built-in synonym f