in bash you can use $_ to access the last argument of the previous command. It lets you do things like this: $ pwd /home/foo $ mkdir -p bar/baz/qux

in bash you can use $_ to access the last argument of the previous command. It lets you do things like this: $ pwd /home/foo $ mkdir -p bar/baz/qux && cd $_ $ pwd /home/foo/bar/baz/qux