Gives you a random man page of one of the executables in your path

randman.sh

#!/bin/bash
# randman, gives you a random man page from your path

# Copy the line below to your .bashrc to add a simple alias
# alias randman="until for binpath in ${PATH//:/$' '}; do ls ${binpath}; done | shuf | head -1 | xargs man; do :; done"

until

	for binpath in ${PATH//:/$' '}; do
		ls ${binpath};
	done | shuf | head -1| xargs man;

	do :;
done