>perl -E"@a = qw( a b c d e f ); say for @a[4..-1]"

>perl -E"@a = qw( a b c d e f ); say for @a[-3..-1]"
d
e
f

>perl -E"@a = qw( a b c d e f ); say for @a[-1..-3]"

>perl -E"@a = qw( a b c d e f ); say for @a[reverse -3..-1]"
f
e
d

>perl -E"@a = qw( a b c d e f ); say for reverse @a[-3..-1]"
f
e
d