#!/bin/bash

# builtin.sh

# display some builtin variables
echo
echo "\$0: $0"
echo "\$1: $1"
echo "\$2: $2"
echo "\$@: $@"
echo "\$*: $*"
echo "\$#: $#"
echo
echo "shift"
shift
echo "\$1: $1"
echo "\$2: $2"
echo "\$@: $@"
echo "\$*: $*"
echo "\$#: $#"
echo "\$$: $$"
echo
echo "\$?: $?"
bla
echo "\$?: $?"
echo