vimdiff
Open up two or more files in vim and show the differences between them. See also: vim, vimtutor, nvim. More information: <https://www.vim.org>.
RUN apt-get update && \
apt-get install -y vim
RUN apt-get update && \
apt-get install -y vim
RUN apk add vim
RUN pacman -S --noconfirm vim
RUN apt-get update && \
apt-get install -y vim
RUN dnf install -y vim-enhanced-2
RUN apt-get update && \
apt-get install -y vim