"less" on steroids:read .pdf, explore .iso and mor

[maxIT]

All that [on subject] just by putting eval "$(lesspipe)" in the '/etc/profile' file.
According to this more detailed article it's even possible to read .docs, but personally I've failed in doing that.

[dvryknopper]

in the linked to article, what does

backward movement in the file as well as forward movement

mean exactly?

[maxIT]

in the linked to article, what does

backward movement in the file as well as forward movement

mean exactly?

The best known difference between "less" and "more"