fish

sudo apt install bat

in ~/.config/fish/config.fish

set -x MANPAGER "sh -c 'col -bx | batcat -l man -p --theme \"Monokai Extended\"'"
export MANROFFOPT="-c"

Quelle

bash

in ~/.bashrc

# foo
export LESS_TERMCAP_mb=$'\e[1;31m'
export LESS_TERMCAP_md=$'\e[1;31m'
export LESS_TERMCAP_me=$'\e[0m'
export LESS_TERMCAP_se=$'\e[0m'
export LESS_TERMCAP_so=$'\e[1;33;44m'
export LESS_TERMCAP_ue=$'\e[0m'
export LESS_TERMCAP_us=$'\e[4;1;32m'
export LESS_TERMCAP_mr=$'\e[7m'
export LESS_TERMCAP_mh=$'\e[2m'
export LESS_TERMCAP_ZN=$'\e[74m'
export LESS_TERMCAP_ZV=$'\e[75m'
export LESS_TERMCAP_ZO=$'\e[73m'
export LESS_TERMCAP_ZW=$'\e[75m'
export MANPAGER='less'

Quelle